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Resource "SearchParameter" Version "1" (StructureDefinition)

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XML or JSON representation. Try out the Profile as a questionnaire based web form . Edit this as XML or JSON. provenance for this resource

Name Flags Card. Type Description & Constraints doco
. . SearchParameter I TU DomainResource Search parameter for a resource
+ Warning: Name should be usable as an identifier for the module by machine processing applications such as code generation
+ Rule: If an xpath is present, there SHALL be an xpathUsage
+ Rule: Search parameters can only have chain names when the search parameter type is 'reference'
Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
. . . url Σ 1..1 uri Canonical identifier for this search parameter, represented as a URI (globally unique)
. . . version Σ 0..1 string Business version of the search parameter
. . . name Σ I 1..1 string Name for this search parameter (computer friendly)
. . . derivedFrom 0..1 canonical( SearchParameter) Original definition for the search parameter
. . . status ?! Σ 1..1 code draft | active | retired | unknown
PublicationStatus ( Required)
. . . experimental Σ 0..1 boolean For testing purposes, not real usage
. . . date Σ 0..1 dateTime Date last changed
. . . publisher Σ 0..1 string Name of the publisher (organization or individual)
. . . contact Σ 0..* ContactDetail Contact details for the publisher
. . . description Σ 1..1 markdown Natural language description of the search parameter
. . . useContext Σ 0..* UsageContext The context that the content is intended to support
. . . jurisdiction Σ 0..* CodeableConcept Intended jurisdiction for search parameter (if applicable)
Jurisdiction ( Extensible)
. . . purpose 0..1 markdown Why this search parameter is defined
. . . code Σ 1..1 code Code used in URL
. . . base Σ 1..* code The resource type(s) this search parameter applies to
ResourceType ( Required)
. . . type Σ 1..1 code number | date | string | token | reference | composite | quantity | uri | special
SearchParamType ( Required)
. . . expression I 0..1 string FHIRPath expression that extracts the values
. . . xpath I 0..1 string XPath that extracts the values
. . . xpathUsage I 0..1 code normal | phonetic | nearby | distance | other
XPathUsageType ( Required)
. . . target 0..* code Types of resource (if a resource reference)
ResourceType ( Required)
. . . multipleOr 0..1 boolean Allow multiple values per parameter (or)
. . . multipleAnd 0..1 boolean Allow multiple parameters (and)
. . . comparator 0..* code eq | ne | gt | lt | ge | le | sa | eb | ap
SearchComparator ( Required)
. . . modifier 0..* code missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType
SearchModifierCode ( Required)
. . . chain 0..* string Chained names supported
. . . component 0..* BackboneElement For Composite resources to define the parts
. . . . definition 1..1 canonical( SearchParameter) Defines how the part works
. . . . expression 1..1 string Subexpression relative to main expression

doco Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "SearchParameter",
  "meta" : {
    "versionId" : "1",
    "lastUpdated" : "2018-11-09T01:51:06.764Z"
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n <table style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\n <tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\">\n <th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a title=\"The logical name of the element\" href=\"formats.html#table\">Name</a>\n </th>\n <th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a title=\"Information about the use of the element\" href=\"formats.html#table\">Flags</a>\n </th>\n <th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a title=\"Minimum and Maximum # of times the the element can appear in the instance\" href=\"formats.html#table\">Card.</a>\n </th>\n <th style=\"width: 100px\" class=\"hierarchy\">\n <a title=\"Reference to the type of the element\" href=\"formats.html#table\">Type</a>\n </th>\n <th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a title=\"Additional information about the element\" href=\"formats.html#table\">Description &amp; Constraints</a>\n <span style=\"float: right\">\n <a title=\"Legend for this format\" href=\"formats.html#table\">\n <img alt=\"doco\" style=\"background-color: inherit\"/>\n </a>\n </span>\n </th>\n </tr>\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,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\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Resource\"/> \n <span title=\"SearchParameter : A search parameter that defines a named search item that can be used to search/filter on a resource.\">SearchParameter</span>\n <a name=\"SearchParameter\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"conformance-rules.html#constraints\" title=\"This element has or is affected by some invariants\">I</a>\n <a style=\"padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color: black; background-color: #fff5e6\" href=\"versions.html#std-process\" title=\"Standards Status = Trial Use\">TU</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"domainresource.html\">DomainResource</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Search parameter for a resource\n <br/>\n <span style=\"font-style: italic\" title=\"spd-0\">+ Warning: Name should be usable as an identifier for the module by machine processing applications such as code generation</span>\n <br/>\n <span style=\"font-style: italic\" title=\"spd-1\">+ Rule: If an xpath is present, there SHALL be an xpathUsage</span>\n <br/>\n <span style=\"font-style: italic\" title=\"spd-2\">+ Rule: Search parameters can only have chain names when the search parameter type is 'reference'</span>\n <br/>Elements defined in Ancestors: \n <a title=\"The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.\" href=\"resource.html#Resource\">id</a>, \n <a title=\"The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.\" href=\"resource.html#Resource\">meta</a>, \n <a title=\"A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.\" href=\"resource.html#Resource\">implicitRules</a>, \n <a title=\"The base language in which the resource is written.\" href=\"resource.html#Resource\">language</a>, \n <a title=\"A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it &quot;clinically safe&quot; for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.\" href=\"domainresource.html#DomainResource\">text</a>, \n <a title=\"These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.\" href=\"domainresource.html#DomainResource\">contained</a>, \n <a title=\"May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.\" href=\"domainresource.html#DomainResource\">extension</a>, \n <a title=\"May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element&apos;s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#10;&#10;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).\" href=\"domainresource.html#DomainResource\">modifierExtension</a>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.url : An absolute URI that is used to identify this search parameter when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this search parameter is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the search parameter is stored on different servers.\">url</span>\n <a name=\"SearchParameter.url\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#uri\">uri</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Canonical identifier for this search parameter, represented as a URI (globally unique)</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.version : The identifier that is used to identify this version of the search parameter when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the search parameter author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.\">version</span>\n <a name=\"SearchParameter.version\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#string\">string</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Business version of the search parameter</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.name : A natural language name identifying the search parameter. This name should be usable as an identifier for the module by machine processing applications such as code generation.\">name</span>\n <a name=\"SearchParameter.name\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"conformance-rules.html#constraints\" title=\"This element has or is affected by some invariants\">I</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#string\">string</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Name for this search parameter (computer friendly)</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjEEOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQKlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\"/> \n <span title=\"SearchParameter.derivedFrom : Where this search parameter is originally defined. If a derivedFrom is provided, then the details in the search parameter must be consistent with the definition from which it is defined. i.e. the parameter should have the same meaning, and (usually) the functionality should be a proper subset of the underlying search parameter.\">derivedFrom</span>\n <a name=\"SearchParameter.derivedFrom\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#canonical\">canonical</a>(\n <a href=\"searchparameter.html\">SearchParameter</a>)\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Original definition for the search parameter</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.status : The status of this search parameter. Enables tracking the life-cycle of the content.\">status</span>\n <a name=\"SearchParameter.status\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"conformance-rules.html#isModifier\" title=\"This element is a modifier element\">?!</a>\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#code\">code</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">draft | active | retired | unknown\n <br/>\n <a title=\"The lifecycle status of an artifact.\" href=\"valueset-publication-status.html\">PublicationStatus</a> (\n <a title=\"To be conformant, the concept in this element SHALL be from the specified value set.\" href=\"terminologies.html#required\">Required</a>)\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.experimental : A Boolean value to indicate that this search parameter is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.\">experimental</span>\n <a name=\"SearchParameter.experimental\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#boolean\">boolean</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">For testing purposes, not real usage</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.date : The date (and optionally time) when the search parameter was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the search parameter changes.\">date</span>\n <a name=\"SearchParameter.date\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#dateTime\">dateTime</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Date last changed</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.publisher : The name of the organization or individual that published the search parameter.\">publisher</span>\n <a name=\"SearchParameter.publisher\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#string\">string</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Name of the publisher (organization or individual)</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,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\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Data Type\"/> \n <span title=\"SearchParameter.contact : Contact details to assist a user in finding and communicating with the publisher.\">contact</span>\n <a name=\"SearchParameter.contact\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"metadatatypes.html#ContactDetail\">ContactDetail</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Contact details for the publisher\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.description : And how it used.\">description</span>\n <a name=\"SearchParameter.description\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#markdown\">markdown</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Natural language description of the search parameter</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,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\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Data Type\"/> \n <span title=\"SearchParameter.useContext : The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate search parameter instances.\">useContext</span>\n <a name=\"SearchParameter.useContext\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"metadatatypes.html#UsageContext\">UsageContext</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">The context that the content is intended to support\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,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\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Data Type\"/> \n <span title=\"SearchParameter.jurisdiction : A legal or geographic region in which the search parameter is intended to be used.\">jurisdiction</span>\n <a name=\"SearchParameter.jurisdiction\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#CodeableConcept\">CodeableConcept</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Intended jurisdiction for search parameter (if applicable)\n <br/>\n <a title=\"Countries and regions within which this artifact is targeted for use.\" href=\"valueset-jurisdiction.html\">Jurisdiction</a> (\n <a title=\"To be conformant, the concept in this element SHALL be from the specified value set if any of the codes within the value set can apply to the concept being communicated. If the value set does not cover the concept (based on human review), alternate codings (or, data type allowing, text) may be included instead.\" href=\"terminologies.html#extensible\">Extensible</a>)\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.purpose : Explanation of why this search parameter is needed and why it has been designed as it has.\">purpose</span>\n <a name=\"SearchParameter.purpose\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#markdown\">markdown</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Why this search parameter is defined</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.code : The code used in the URL or the parameter name in a parameters resource for this search parameter.\">code</span>\n <a name=\"SearchParameter.code\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#code\">code</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code used in URL</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.base : The base resource type(s) that this search parameter can be used against.\">base</span>\n <a name=\"SearchParameter.base\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#code\">code</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">The resource type(s) this search parameter applies to\n <br/>\n <a title=\"One of the resource types defined as part of this version of FHIR.\" href=\"valueset-resource-types.html\">ResourceType</a> (\n <a title=\"To be conformant, the concept in this element SHALL be from the specified value set.\" href=\"terminologies.html#required\">Required</a>)\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.type : The type of value that a search parameter may contain, and how the content is interpreted.\">type</span>\n <a name=\"SearchParameter.type\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">&#931;</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#code\">code</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">number | date | string | token | reference | composite | quantity | uri | special\n <br/>\n <a title=\"Data types allowed to be used for search parameters.\" href=\"valueset-search-param-type.html\">SearchParamType</a> (\n <a title=\"To be conformant, the concept in this element SHALL be from the specified value set.\" href=\"terminologies.html#required\">Required</a>)\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.expression : A FHIRPath expression that returns a set of elements for the search parameter.\">expression</span>\n <a name=\"SearchParameter.expression\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"conformance-rules.html#constraints\" title=\"This element has or is affected by some invariants\">I</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#string\">string</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">FHIRPath expression that extracts the values</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.xpath : An XPath expression that returns a set of elements for the search parameter.\">xpath</span>\n <a name=\"SearchParameter.xpath\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"conformance-rules.html#constraints\" title=\"This element has or is affected by some invariants\">I</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#string\">string</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">XPath that extracts the values</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.xpathUsage : How the search parameter relates to the set of elements returned by evaluating the xpath query.\">xpathUsage</span>\n <a name=\"SearchParameter.xpathUsage\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a style=\"padding-left: 3px; padding-right: 3px; color: black; background-color: white\" href=\"conformance-rules.html#constraints\" title=\"This element has or is affected by some invariants\">I</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#code\">code</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">normal | phonetic | nearby | distance | other\n <br/>\n <a title=\"How a search parameter relates to the set of elements returned by evaluating its xpath query.\" href=\"valueset-search-xpath-usage.html\">XPathUsageType</a> (\n <a title=\"To be conformant, the concept in this element SHALL be from the specified value set.\" href=\"terminologies.html#required\">Required</a>)\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.target : Types of resource (if a resource is referenced).\">target</span>\n <a name=\"SearchParameter.target\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#code\">code</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Types of resource (if a resource reference)\n <br/>\n <a title=\"One of the resource types defined as part of this version of FHIR.\" href=\"valueset-resource-types.html\">ResourceType</a> (\n <a title=\"To be conformant, the concept in this element SHALL be from the specified value set.\" href=\"terminologies.html#required\">Required</a>)\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.multipleOr : Whether multiple values are allowed for each time the parameter exists. Values are separated by commas, and the parameter matches if any of the values match.\">multipleOr</span>\n <a name=\"SearchParameter.multipleOr\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#boolean\">boolean</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Allow multiple values per parameter (or)</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.multipleAnd : Whether multiple parameters are allowed - e.g. more than one parameter with the same name. The search matches if all the parameters match.\">multipleAnd</span>\n <a name=\"SearchParameter.multipleAnd\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#boolean\">boolean</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Allow multiple parameters (and)</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.comparator : Comparators supported for the search parameter.\">comparator</span>\n <a name=\"SearchParameter.comparator\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#code\">code</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">eq | ne | gt | lt | ge | le | sa | eb | ap\n <br/>\n <a title=\"What Search Comparator Codes are supported in search.\" href=\"valueset-search-comparator.html\">SearchComparator</a> (\n <a title=\"To be conformant, the concept in this element SHALL be from the specified value set.\" href=\"terminologies.html#required\">Required</a>)\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.modifier : A modifier supported for the search parameter.\">modifier</span>\n <a name=\"SearchParameter.modifier\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#code\">code</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType\n <br/>\n <a title=\"A supported modifier for a search parameter.\" href=\"valueset-search-modifier-code.html\">SearchModifierCode</a> (\n <a title=\"To be conformant, the concept in this element SHALL be from the specified value set.\" href=\"terminologies.html#required\">Required</a>)\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.chain : Contains the names of any search parameters which may be chained to the containing search parameter. Chained parameters may be added to search parameters of type reference and specify that resources will only be returned if they contain a reference to a resource which matches the chained parameter value. Values for this field should be drawn from SearchParameter.code for a parameter on the target resource type.\">chain</span>\n <a name=\"SearchParameter.chain\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#string\">string</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Chained names supported\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUOL+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,R0lGODlhEAAQAPQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw/npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///wD/ACH5BAEKAB8ALAAAAAAQABAAAAVl4CeOZGme5qCqqDg8jyVJaz1876DsmAQAgqDgltspMEhMJoMZ4iy6I1AooFCIv+wKybziALVAoAEjYLwDgGIpJhMslgxaLR4/3rMAWoBp32V5exg8Shl1ckRUQVaMVkQ2kCstKCEAOw==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\"/> \n <span title=\"SearchParameter.component : Used to define the parts of a composite search parameter.\">component</span>\n <a name=\"SearchParameter.component\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"backboneelement.html\">BackboneElement</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">For Composite resources to define the parts\n <br/>\n </td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALElEQVR42u3QwQkAMAwDsezq/WdIO4XJQwa9DTdJpulv258AAMANIgAAADUPYAVAgAJ//usAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiYFCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjEEOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQKlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\"/> \n <span title=\"SearchParameter.component.definition : The definition of the search parameter that describes this part.\">definition</span>\n <a name=\"SearchParameter.component.definition\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#canonical\">canonical</a>(\n <a href=\"searchparameter.html\">SearchParameter</a>)\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Defines how the part works</td>\n </tr>\n\n <tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;\">\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAAAASUVORK5CYII=)\" class=\"hierarchy\">\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiYFCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUOL+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC\" class=\"hierarchy\" alt=\".\" style=\"background-color: inherit\"/>\n <img src=\"data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" class=\"hierarchy\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\"/> \n <span title=\"SearchParameter.component.expression : A sub-expression that defines how to extract values for this component from the output of the main SearchParameter.expression.\">expression</span>\n <a name=\"SearchParameter.component.expression\"> </a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">\n <a href=\"datatypes.html#string\">string</a>\n </td>\n <td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Subexpression relative to main expression</td>\n </tr>\n\n <tr>\n <td colspan=\"5\" class=\"hierarchy\">\n <br/>\n <a title=\"Legend for this format\" href=\"formats.html#table\">\n <img alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format\n </a>\n </td>\n </tr>\n </table>\n </div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "trial-use"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 3
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category",
      "valueCode" : "anonymous"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "fhir"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-category",
      "valueString" : "Foundation.Conformance"
    }
  ],
  "url" : "http://hl7.org/fhir/StructureDefinition/SearchParameter",
  "version" : "3.6.0",
  "name" : "SearchParameter",
  "status" : "draft",
  "date" : "2018-11-08T20:29:00+00:00",
  "publisher" : "Health Level Seven International (FHIR Infrastructure)",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://hl7.org/fhir"
        }
      ]
    },
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/fiwg/index.cfm"
        }
      ]
    }
  ],
  "description" : "A search parameter that defines a named search item that can be used to search/filter on a resource.",
  "fhirVersion" : "3.6.0",
  "mapping" : [
    {
      "identity" : "v2",
      "uri" : "http://hl7.org/v2",
      "name" : "HL7 v2 Mapping"
    },
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    },
    {
      "identity" : "workflow",
      "uri" : "http://hl7.org/fhir/workflow",
      "name" : "Workflow Pattern"
    },
    {
      "identity" : "w5",
      "uri" : "http://hl7.org/fhir/fivews",
      "name" : "FiveWs Pattern Mapping"
    },
    {
      "identity" : "objimpl",
      "uri" : "http://hl7.org/fhir/object-implementation",
      "name" : "Object Implementation Information"
    }
  ],
  "kind" : "resource",
  "abstract" : false,
  "type" : "SearchParameter",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/DomainResource",
  "_baseDefinition" : {
    "extension" : [
      {
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-codegen-super",
        "valueString" : "MetadataResource"
      }
    ]
  },
  "derivation" : "specialization",
  "snapshot" : {
    "element" : [
      {
        "id" : "SearchParameter",
        "path" : "SearchParameter",
        "short" : "Search parameter for a resource",
        "definition" : "A search parameter that defines a named search item that can be used to search/filter on a resource.",
        "comment" : "In FHIR, search is not performed directly on a resource (by XML or JSON path), but on a named parameter that maps into the resource content.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter",
          "min" : 0,
          "max" : "*"
        },
        "constraint" : [
          {
            "key" : "dom-2",
            "severity" : "error",
            "human" : "If the resource is contained in another resource, it SHALL NOT contain nested Resources",
            "expression" : "contained.contained.empty()",
            "xpath" : "not(parent::f:contained and f:contained)",
            "source" : "DomainResource"
          },
          {
            "key" : "dom-4",
            "severity" : "error",
            "human" : "If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated",
            "expression" : "contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()",
            "xpath" : "not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))",
            "source" : "DomainResource"
          },
          {
            "key" : "dom-3",
            "severity" : "error",
            "human" : "If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource",
            "expression" : "contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()",
            "xpath" : "not(exists(for $contained in f:contained return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))",
            "source" : "DomainResource"
          },
          {
            "extension" : [
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice",
                "valueBoolean" : true
              },
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation",
                "valueMarkdown" : "When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time."
              }
            ],
            "key" : "dom-6",
            "severity" : "warning",
            "human" : "A resource should have narrative for robust management",
            "expression" : "text.div.exists()",
            "xpath" : "exists(f:text/h:div)",
            "source" : "DomainResource"
          },
          {
            "key" : "dom-5",
            "severity" : "error",
            "human" : "If a resource is contained in another resource, it SHALL NOT have a security label",
            "expression" : "contained.meta.security.empty()",
            "xpath" : "not(exists(f:contained/*/f:meta/f:security))",
            "source" : "DomainResource"
          },
          {
            "key" : "spd-0",
            "severity" : "warning",
            "human" : "Name should be usable as an identifier for the module by machine processing applications such as code generation",
            "expression" : "name.matches('[A-Z]([A-Za-z0-9_]){0,254}')",
            "xpath" : "not(exists(f:name/@value)) or matches(f:name/@value, '[A-Z]([A-Za-z0-9_]){0,254}')"
          },
          {
            "key" : "spd-1",
            "severity" : "error",
            "human" : "If an xpath is present, there SHALL be an xpathUsage",
            "expression" : "xpath.empty() or xpathUsage.exists()",
            "xpath" : "not(exists(f:xpath)) or exists(f:xpathUsage)"
          },
          {
            "key" : "spd-2",
            "severity" : "error",
            "human" : "Search parameters can only have chain names when the search parameter type is 'reference'",
            "expression" : "chain.empty() or type = 'reference'",
            "xpath" : "not(exists(f:chain)) or (f:type/@value = 'reference')"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "Entity. Role, or Act"
          },
          {
            "identity" : "v2",
            "map" : "n/a"
          },
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "SearchParameter.id",
        "path" : "SearchParameter.id",
        "short" : "Logical id of this artifact",
        "definition" : "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
        "comment" : "The only time that a resource does not have an id is when it is being submitted to the server using a create operation.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Resource.id",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "id"
          }
        ],
        "isModifier" : false,
        "isSummary" : true
      },
      {
        "id" : "SearchParameter.meta",
        "path" : "SearchParameter.meta",
        "short" : "Metadata about the resource",
        "definition" : "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Resource.meta",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "Meta"
          }
        ],
        "isModifier" : false,
        "isSummary" : true
      },
      {
        "id" : "SearchParameter.implicitRules",
        "path" : "SearchParameter.implicitRules",
        "short" : "A set of rules under which this content was created",
        "definition" : "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.",
        "comment" : "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Resource.implicitRules",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "uri"
          }
        ],
        "isModifier" : true,
        "isModifierReason" : "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation",
        "isSummary" : true
      },
      {
        "id" : "SearchParameter.language",
        "path" : "SearchParameter.language",
        "short" : "Language of the resource content",
        "definition" : "The base language in which the resource is written.",
        "comment" : "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Resource.language",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
              "valueCanonical" : "http://hl7.org/fhir/ValueSet/all-languages"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "Language"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "preferred",
          "description" : "A human language.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
        }
      },
      {
        "id" : "SearchParameter.text",
        "path" : "SearchParameter.text",
        "short" : "Text summary of the resource, for human interpretation",
        "definition" : "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
        "comment" : "Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a \"text blob\" or where text is additionally entered raw or narrated and encoded information is added later.",
        "alias" : [
          "narrative",
          "html",
          "xhtml",
          "display"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "DomainResource.text",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "Narrative"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "Act.text?"
          }
        ]
      },
      {
        "id" : "SearchParameter.contained",
        "path" : "SearchParameter.contained",
        "short" : "Contained, inline Resources",
        "definition" : "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
        "comment" : "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.",
        "alias" : [
          "inline resources",
          "anonymous resources",
          "contained resources"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "DomainResource.contained",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Resource"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "N/A"
          }
        ]
      },
      {
        "id" : "SearchParameter.extension",
        "path" : "SearchParameter.extension",
        "short" : "Additional content defined by implementations",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias" : [
          "extensions",
          "user content"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "DomainResource.extension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Extension"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "N/A"
          }
        ]
      },
      {
        "id" : "SearchParameter.modifierExtension",
        "path" : "SearchParameter.modifierExtension",
        "short" : "Extensions that cannot be ignored",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
        "alias" : [
          "extensions",
          "user content"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "DomainResource.modifierExtension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Extension"
          }
        ],
        "isModifier" : true,
        "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them",
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "N/A"
          }
        ]
      },
      {
        "id" : "SearchParameter.url",
        "path" : "SearchParameter.url",
        "short" : "Canonical identifier for this search parameter, represented as a URI (globally unique)",
        "definition" : "An absolute URI that is used to identify this search parameter when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this search parameter is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the search parameter is stored on different servers.",
        "comment" : "Can be a urn:uuid: or a urn:oid: but real http: addresses are preferred. Multiple instances may share the same URL if they have a distinct version.\n\nThe determination of when to create a new version of a resource (same url, new version) vs. defining a new artifact is up to the author. Considerations for making this decision are found in [Technical and Business Versions](resource.html#versions). \n\nIn some cases, the resource can no longer be found at the stated url, but the url itself cannot change. Implementations can use the [meta.source](resource.html#meta) element to indicate where the current master source of the resource can be found.",
        "requirements" : "Allows the search parameter to be referenced by a single globally unique identifier. To allow referencing and reusing search parameter definitions under other names on operational systems (in case of name clash).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.url",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "uri"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.url"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.identifier"
          }
        ]
      },
      {
        "id" : "SearchParameter.version",
        "path" : "SearchParameter.version",
        "short" : "Business version of the search parameter",
        "definition" : "The identifier that is used to identify this version of the search parameter when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the search parameter author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.",
        "comment" : "There may be different search parameter instances that have the same identifier but different versions. The version can be appended to the url in a reference to allow a reference to a particular business version of the search parameter with the format [url]|[version].",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.version",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.version"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.version"
          }
        ]
      },
      {
        "id" : "SearchParameter.name",
        "path" : "SearchParameter.name",
        "short" : "Name for this search parameter (computer friendly)",
        "definition" : "A natural language name identifying the search parameter. This name should be usable as an identifier for the module by machine processing applications such as code generation.",
        "comment" : "The name is not expected to be globally unique. The name should be a simple alphanumeric type name to ensure that it is machine-processing friendly.",
        "requirements" : "Support human navigation and code generation.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.name",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string"
          }
        ],
        "condition" : [
          "inv-0"
        ],
        "isModifier" : false,
        "isSummary" : true
      },
      {
        "id" : "SearchParameter.derivedFrom",
        "path" : "SearchParameter.derivedFrom",
        "short" : "Original definition for the search parameter",
        "definition" : "Where this search parameter is originally defined. If a derivedFrom is provided, then the details in the search parameter must be consistent with the definition from which it is defined. i.e. the parameter should have the same meaning, and (usually) the functionality should be a proper subset of the underlying search parameter.",
        "comment" : "The intent of this is that a server can designate that it provides support for a search parameter defined in the specification itself (e.g. [`value-quantity`](http://hl7.org/fhir/SearchParameter/Observation-value-quantity), but detail how it is supported by the server.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.derivedFrom",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "canonical",
            "targetProfile" : [
              "http://hl7.org/fhir/StructureDefinition/SearchParameter"
            ]
          }
        ],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "SearchParameter.status",
        "path" : "SearchParameter.status",
        "short" : "draft | active | retired | unknown",
        "definition" : "The status of this search parameter. Enables tracking the life-cycle of the content.",
        "comment" : "Allows filtering of search parameters that are appropriate for use versus not.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.status",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : true,
        "isModifierReason" : "This is labeled as \"Is Modifier\" because applications should not use a retired {{title}} without due consideration",
        "isSummary" : true,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "PublicationStatus"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "required",
          "description" : "The lifecycle status of an artifact.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/publication-status"
        },
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.status"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.status"
          }
        ]
      },
      {
        "id" : "SearchParameter.experimental",
        "path" : "SearchParameter.experimental",
        "short" : "For testing purposes, not real usage",
        "definition" : "A Boolean value to indicate that this search parameter is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.",
        "comment" : "Allows filtering of search parameters that are appropriate for use versus not.",
        "requirements" : "Enables experimental content to be developed following the same lifecycle that would be used for a production-level search parameter.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.experimental",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.experimental"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.class"
          }
        ]
      },
      {
        "id" : "SearchParameter.date",
        "path" : "SearchParameter.date",
        "short" : "Date last changed",
        "definition" : "The date (and optionally time) when the search parameter was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the search parameter changes.",
        "comment" : "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the search parameter. Additional specific dates may be added as extensions or be found by consulting Provenances associated with past versions of the resource.",
        "alias" : [
          "Revision Date"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.date",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "dateTime"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.date"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.recorded"
          }
        ]
      },
      {
        "id" : "SearchParameter.publisher",
        "path" : "SearchParameter.publisher",
        "short" : "Name of the publisher (organization or individual)",
        "definition" : "The name of the organization or individual that published the search parameter.",
        "comment" : "Usually an organization but may be an individual. The publisher (or steward) of the search parameter is the organization or individual primarily responsible for the maintenance and upkeep of the search parameter. This is not necessarily the same individual or organization that developed and initially authored the content. The publisher is the primary point of contact for questions or issues with the search parameter. This item SHOULD be populated unless the information is available from context.",
        "requirements" : "Helps establish the \"authority/credibility\" of the search parameter. May also allow for contact.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.publisher",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.publisher"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.witness"
          }
        ]
      },
      {
        "id" : "SearchParameter.contact",
        "path" : "SearchParameter.contact",
        "short" : "Contact details for the publisher",
        "definition" : "Contact details to assist a user in finding and communicating with the publisher.",
        "comment" : "May be a web site, an email address, a telephone number, etc.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.contact",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "ContactDetail"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.contact"
          }
        ]
      },
      {
        "id" : "SearchParameter.description",
        "path" : "SearchParameter.description",
        "short" : "Natural language description of the search parameter",
        "definition" : "And how it used.",
        "comment" : "This description can be used to capture details such as why the search parameter was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the search parameter as conveyed in the 'text' field of the resource itself. This item SHOULD be populated unless the information is available from context (e.g. the language of the search parameter is presumed to be the predominant language in the place the search parameter was created).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.description",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "markdown"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.description"
          }
        ]
      },
      {
        "id" : "SearchParameter.useContext",
        "path" : "SearchParameter.useContext",
        "short" : "The context that the content is intended to support",
        "definition" : "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate search parameter instances.",
        "comment" : "When multiple useContexts are specified, there is no expectation that all or any of the contexts apply.",
        "requirements" : "Assist in searching for appropriate content.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.useContext",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "UsageContext"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.useContext"
          }
        ]
      },
      {
        "id" : "SearchParameter.jurisdiction",
        "path" : "SearchParameter.jurisdiction",
        "short" : "Intended jurisdiction for search parameter (if applicable)",
        "definition" : "A legal or geographic region in which the search parameter is intended to be used.",
        "comment" : "It may be possible for the search parameter to be used in jurisdictions other than those for which it was originally designed or intended.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.jurisdiction",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "CodeableConcept"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "Jurisdiction"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "extensible",
          "description" : "Countries and regions within which this artifact is targeted for use.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/jurisdiction"
        },
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.jurisdiction"
          }
        ]
      },
      {
        "id" : "SearchParameter.purpose",
        "path" : "SearchParameter.purpose",
        "short" : "Why this search parameter is defined",
        "definition" : "Explanation of why this search parameter is needed and why it has been designed as it has.",
        "comment" : "This element does not describe the usage of the search parameter. Instead, it provides traceability of ''why'' the resource is either needed or ''why'' it is defined as it is. This may be used to point to source materials or specifications that drove the structure of this search parameter.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.purpose",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "markdown"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.purpose"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.why[x]"
          },
          {
            "identity" : "objimpl",
            "map" : "no-gen-base"
          }
        ]
      },
      {
        "id" : "SearchParameter.code",
        "path" : "SearchParameter.code",
        "short" : "Code used in URL",
        "definition" : "The code used in the URL or the parameter name in a parameters resource for this search parameter.",
        "comment" : "For maximum compatibility, use only lowercase ASCII characters.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.code",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : false,
        "isSummary" : true
      },
      {
        "id" : "SearchParameter.base",
        "path" : "SearchParameter.base",
        "short" : "The resource type(s) this search parameter applies to",
        "definition" : "The base resource type(s) that this search parameter can be used against.",
        "comment" : "A search parameter must always apply to at least one resource type. When search parameters apply to more than one resource type, they can be used against any of the listed resource types, or in a cross-type search (see [Cross Resource Search](http.html#xres-search)).",
        "min" : 1,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.base",
          "min" : 1,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "ResourceType"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "required",
          "description" : "One of the resource types defined as part of this version of FHIR.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/resource-types"
        }
      },
      {
        "id" : "SearchParameter.type",
        "path" : "SearchParameter.type",
        "short" : "number | date | string | token | reference | composite | quantity | uri | special",
        "definition" : "The type of value that a search parameter may contain, and how the content is interpreted.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.type",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : false,
        "isSummary" : true,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "SearchParamType"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "required",
          "description" : "Data types allowed to be used for search parameters.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/search-param-type"
        }
      },
      {
        "id" : "SearchParameter.expression",
        "path" : "SearchParameter.expression",
        "short" : "FHIRPath expression that extracts the values",
        "definition" : "A FHIRPath expression that returns a set of elements for the search parameter.",
        "comment" : "Note that the elements returned by the expression are sometimes complex elements where logic is required to determine quite how to handle them; e.g. CodeableConcepts may contain text and/or multiple codings, where the codings themselves contain a code and a system. For composite search parameters, the outcome of the expression must a collection of base elements from which the composites are derived.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.expression",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string"
          }
        ],
        "condition" : [
          "spd-1"
        ],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "SearchParameter.xpath",
        "path" : "SearchParameter.xpath",
        "short" : "XPath that extracts the values",
        "definition" : "An XPath expression that returns a set of elements for the search parameter.",
        "comment" : "Note that the elements returned by the XPath are sometimes complex elements where logic is required to determine quite how to handle them; e.g. CodeableConcepts may contain text and/or multiple codings, where the codings themselves contain a code and a system.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.xpath",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string"
          }
        ],
        "condition" : [
          "spd-1"
        ],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "SearchParameter.xpathUsage",
        "path" : "SearchParameter.xpathUsage",
        "short" : "normal | phonetic | nearby | distance | other",
        "definition" : "How the search parameter relates to the set of elements returned by evaluating the xpath query.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.xpathUsage",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "condition" : [
          "spd-1"
        ],
        "isModifier" : false,
        "isSummary" : false,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "XPathUsageType"
            }
          ],
          "strength" : "required",
          "description" : "How a search parameter relates to the set of elements returned by evaluating its xpath query.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/search-xpath-usage"
        }
      },
      {
        "id" : "SearchParameter.target",
        "path" : "SearchParameter.target",
        "short" : "Types of resource (if a resource reference)",
        "definition" : "Types of resource (if a resource is referenced).",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.target",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "ResourceType"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "required",
          "description" : "One of the resource types defined as part of this version of FHIR.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/resource-types"
        }
      },
      {
        "id" : "SearchParameter.multipleOr",
        "path" : "SearchParameter.multipleOr",
        "short" : "Allow multiple values per parameter (or)",
        "definition" : "Whether multiple values are allowed for each time the parameter exists. Values are separated by commas, and the parameter matches if any of the values match.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.multipleOr",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean"
          }
        ],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "SearchParameter.multipleAnd",
        "path" : "SearchParameter.multipleAnd",
        "short" : "Allow multiple parameters (and)",
        "definition" : "Whether multiple parameters are allowed - e.g. more than one parameter with the same name. The search matches if all the parameters match.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.multipleAnd",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean"
          }
        ],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "SearchParameter.comparator",
        "path" : "SearchParameter.comparator",
        "short" : "eq | ne | gt | lt | ge | le | sa | eb | ap",
        "definition" : "Comparators supported for the search parameter.",
        "comment" : "If no comparators are listed, clients should not expect servers to support any comparators.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.comparator",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "SearchComparator"
            }
          ],
          "strength" : "required",
          "description" : "What Search Comparator Codes are supported in search.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/search-comparator"
        }
      },
      {
        "id" : "SearchParameter.modifier",
        "path" : "SearchParameter.modifier",
        "short" : "missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType",
        "definition" : "A modifier supported for the search parameter.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.modifier",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "SearchModifierCode"
            }
          ],
          "strength" : "required",
          "description" : "A supported modifier for a search parameter.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/search-modifier-code"
        }
      },
      {
        "id" : "SearchParameter.chain",
        "path" : "SearchParameter.chain",
        "short" : "Chained names supported",
        "definition" : "Contains the names of any search parameters which may be chained to the containing search parameter. Chained parameters may be added to search parameters of type reference and specify that resources will only be returned if they contain a reference to a resource which matches the chained parameter value. Values for this field should be drawn from SearchParameter.code for a parameter on the target resource type.",
        "comment" : "Systems are not required to list all the chain names they support, but if they don't list them, clients might not know to use them.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.chain",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "string"
          }
        ],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "SearchParameter.component",
        "path" : "SearchParameter.component",
        "short" : "For Composite resources to define the parts",
        "definition" : "Used to define the parts of a composite search parameter.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "SearchParameter.component",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "BackboneElement"
          }
        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "xpath" : "@value|f:*|h:div",
            "source" : "Element"
          }
        ],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "SearchParameter.component.id",
        "path" : "SearchParameter.component.id",
        "representation" : [
          "xmlAttr"
        ],
        "short" : "Unique id for inter-element referencing",
        "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Element.id",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "SearchParameter.component.extension",
        "path" : "SearchParameter.component.extension",
        "short" : "Additional content defined by implementations",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias" : [
          "extensions",
          "user content"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Element.extension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Extension"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "SearchParameter.component.modifierExtension",
        "path" : "SearchParameter.component.modifierExtension",
        "short" : "Extensions that cannot be ignored even if unrecognized",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
        "alias" : [
          "extensions",
          "user content",
          "modifiers"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "BackboneElement.modifierExtension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Extension"
          }
        ],
        "isModifier" : true,
        "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "N/A"
          }
        ]
      },
      {
        "id" : "SearchParameter.component.definition",
        "path" : "SearchParameter.component.definition",
        "short" : "Defines how the part works",
        "definition" : "The definition of the search parameter that describes this part.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.component.definition",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "canonical",
            "targetProfile" : [
              "http://hl7.org/fhir/StructureDefinition/SearchParameter"
            ]
          }
        ],
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "SearchParameter.component.expression",
        "path" : "SearchParameter.component.expression",
        "short" : "Subexpression relative to main expression",
        "definition" : "A sub-expression that defines how to extract values for this component from the output of the main SearchParameter.expression.",
        "comment" : "This expression overrides the expression in the definition and extracts the index values from the outcome of the composite expression.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "SearchParameter.component.expression",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string"
          }
        ],
        "isModifier" : false,
        "isSummary" : false
      }
    ]
  },
  "differential" : {
    "element" : [
      {
        "id" : "SearchParameter",
        "path" : "SearchParameter",
        "short" : "Search parameter for a resource",
        "definition" : "A search parameter that defines a named search item that can be used to search/filter on a resource.",
        "comment" : "In FHIR, search is not performed directly on a resource (by XML or JSON path), but on a named parameter that maps into the resource content.",
        "min" : 0,
        "max" : "*",
        "constraint" : [
          {
            "key" : "spd-0",
            "severity" : "warning",
            "human" : "Name should be usable as an identifier for the module by machine processing applications such as code generation",
            "expression" : "name.matches('[A-Z]([A-Za-z0-9_]){0,254}')",
            "xpath" : "not(exists(f:name/@value)) or matches(f:name/@value, '[A-Z]([A-Za-z0-9_]){0,254}')"
          },
          {
            "key" : "spd-1",
            "severity" : "error",
            "human" : "If an xpath is present, there SHALL be an xpathUsage",
            "expression" : "xpath.empty() or xpathUsage.exists()",
            "xpath" : "not(exists(f:xpath)) or exists(f:xpathUsage)"
          },
          {
            "key" : "spd-2",
            "severity" : "error",
            "human" : "Search parameters can only have chain names when the search parameter type is 'reference'",
            "expression" : "chain.empty() or type = 'reference'",
            "xpath" : "not(exists(f:chain)) or (f:type/@value = 'reference')"
          }
        ],
        "mapping" : [
          {
            "identity" : "v2",
            "map" : "n/a"
          },
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "SearchParameter.url",
        "path" : "SearchParameter.url",
        "short" : "Canonical identifier for this search parameter, represented as a URI (globally unique)",
        "definition" : "An absolute URI that is used to identify this search parameter when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this search parameter is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the search parameter is stored on different servers.",
        "comment" : "Can be a urn:uuid: or a urn:oid: but real http: addresses are preferred. Multiple instances may share the same URL if they have a distinct version.\n\nThe determination of when to create a new version of a resource (same url, new version) vs. defining a new artifact is up to the author. Considerations for making this decision are found in [Technical and Business Versions](resource.html#versions). \n\nIn some cases, the resource can no longer be found at the stated url, but the url itself cannot change. Implementations can use the [meta.source](resource.html#meta) element to indicate where the current master source of the resource can be found.",
        "requirements" : "Allows the search parameter to be referenced by a single globally unique identifier. To allow referencing and reusing search parameter definitions under other names on operational systems (in case of name clash).",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "uri"
          }
        ],
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.url"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.identifier"
          }
        ]
      },
      {
        "id" : "SearchParameter.version",
        "path" : "SearchParameter.version",
        "short" : "Business version of the search parameter",
        "definition" : "The identifier that is used to identify this version of the search parameter when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the search parameter author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.",
        "comment" : "There may be different search parameter instances that have the same identifier but different versions. The version can be appended to the url in a reference to allow a reference to a particular business version of the search parameter with the format [url]|[version].",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "string"
          }
        ],
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.version"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.version"
          }
        ]
      },
      {
        "id" : "SearchParameter.name",
        "path" : "SearchParameter.name",
        "short" : "Name for this search parameter (computer friendly)",
        "definition" : "A natural language name identifying the search parameter. This name should be usable as an identifier for the module by machine processing applications such as code generation.",
        "comment" : "The name is not expected to be globally unique. The name should be a simple alphanumeric type name to ensure that it is machine-processing friendly.",
        "requirements" : "Support human navigation and code generation.",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "string"
          }
        ],
        "condition" : [
          "inv-0"
        ],
        "isSummary" : true
      },
      {
        "id" : "SearchParameter.derivedFrom",
        "path" : "SearchParameter.derivedFrom",
        "short" : "Original definition for the search parameter",
        "definition" : "Where this search parameter is originally defined. If a derivedFrom is provided, then the details in the search parameter must be consistent with the definition from which it is defined. i.e. the parameter should have the same meaning, and (usually) the functionality should be a proper subset of the underlying search parameter.",
        "comment" : "The intent of this is that a server can designate that it provides support for a search parameter defined in the specification itself (e.g. [`value-quantity`](http://hl7.org/fhir/SearchParameter/Observation-value-quantity), but detail how it is supported by the server.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "canonical",
            "targetProfile" : [
              "http://hl7.org/fhir/StructureDefinition/SearchParameter"
            ]
          }
        ]
      },
      {
        "id" : "SearchParameter.status",
        "path" : "SearchParameter.status",
        "short" : "draft | active | retired | unknown",
        "definition" : "The status of this search parameter. Enables tracking the life-cycle of the content.",
        "comment" : "Allows filtering of search parameters that are appropriate for use versus not.",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isModifier" : true,
        "isModifierReason" : "This is labeled as \"Is Modifier\" because applications should not use a retired {{title}} without due consideration",
        "isSummary" : true,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "PublicationStatus"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "required",
          "description" : "The lifecycle status of an artifact.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/publication-status"
        },
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.status"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.status"
          }
        ]
      },
      {
        "id" : "SearchParameter.experimental",
        "path" : "SearchParameter.experimental",
        "short" : "For testing purposes, not real usage",
        "definition" : "A Boolean value to indicate that this search parameter is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.",
        "comment" : "Allows filtering of search parameters that are appropriate for use versus not.",
        "requirements" : "Enables experimental content to be developed following the same lifecycle that would be used for a production-level search parameter.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "boolean"
          }
        ],
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.experimental"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.class"
          }
        ]
      },
      {
        "id" : "SearchParameter.date",
        "path" : "SearchParameter.date",
        "short" : "Date last changed",
        "definition" : "The date (and optionally time) when the search parameter was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the search parameter changes.",
        "comment" : "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the search parameter. Additional specific dates may be added as extensions or be found by consulting Provenances associated with past versions of the resource.",
        "alias" : [
          "Revision Date"
        ],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "dateTime"
          }
        ],
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.date"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.recorded"
          }
        ]
      },
      {
        "id" : "SearchParameter.publisher",
        "path" : "SearchParameter.publisher",
        "short" : "Name of the publisher (organization or individual)",
        "definition" : "The name of the organization or individual that published the search parameter.",
        "comment" : "Usually an organization but may be an individual. The publisher (or steward) of the search parameter is the organization or individual primarily responsible for the maintenance and upkeep of the search parameter. This is not necessarily the same individual or organization that developed and initially authored the content. The publisher is the primary point of contact for questions or issues with the search parameter. This item SHOULD be populated unless the information is available from context.",
        "requirements" : "Helps establish the \"authority/credibility\" of the search parameter. May also allow for contact.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "string"
          }
        ],
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.publisher"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.witness"
          }
        ]
      },
      {
        "id" : "SearchParameter.contact",
        "path" : "SearchParameter.contact",
        "short" : "Contact details for the publisher",
        "definition" : "Contact details to assist a user in finding and communicating with the publisher.",
        "comment" : "May be a web site, an email address, a telephone number, etc.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "ContactDetail"
          }
        ],
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.contact"
          }
        ]
      },
      {
        "id" : "SearchParameter.description",
        "path" : "SearchParameter.description",
        "short" : "Natural language description of the search parameter",
        "definition" : "And how it used.",
        "comment" : "This description can be used to capture details such as why the search parameter was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the search parameter as conveyed in the 'text' field of the resource itself. This item SHOULD be populated unless the information is available from context (e.g. the language of the search parameter is presumed to be the predominant language in the place the search parameter was created).",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "markdown"
          }
        ],
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.description"
          }
        ]
      },
      {
        "id" : "SearchParameter.useContext",
        "path" : "SearchParameter.useContext",
        "short" : "The context that the content is intended to support",
        "definition" : "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate search parameter instances.",
        "comment" : "When multiple useContexts are specified, there is no expectation that all or any of the contexts apply.",
        "requirements" : "Assist in searching for appropriate content.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "UsageContext"
          }
        ],
        "isSummary" : true,
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.useContext"
          }
        ]
      },
      {
        "id" : "SearchParameter.jurisdiction",
        "path" : "SearchParameter.jurisdiction",
        "short" : "Intended jurisdiction for search parameter (if applicable)",
        "definition" : "A legal or geographic region in which the search parameter is intended to be used.",
        "comment" : "It may be possible for the search parameter to be used in jurisdictions other than those for which it was originally designed or intended.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "CodeableConcept"
          }
        ],
        "isSummary" : true,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "Jurisdiction"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "extensible",
          "description" : "Countries and regions within which this artifact is targeted for use.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/jurisdiction"
        },
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.jurisdiction"
          }
        ]
      },
      {
        "id" : "SearchParameter.purpose",
        "path" : "SearchParameter.purpose",
        "short" : "Why this search parameter is defined",
        "definition" : "Explanation of why this search parameter is needed and why it has been designed as it has.",
        "comment" : "This element does not describe the usage of the search parameter. Instead, it provides traceability of ''why'' the resource is either needed or ''why'' it is defined as it is. This may be used to point to source materials or specifications that drove the structure of this search parameter.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "markdown"
          }
        ],
        "mapping" : [
          {
            "identity" : "workflow",
            "map" : "Definition.purpose"
          },
          {
            "identity" : "w5",
            "map" : "FiveWs.why[x]"
          },
          {
            "identity" : "objimpl",
            "map" : "no-gen-base"
          }
        ]
      },
      {
        "id" : "SearchParameter.code",
        "path" : "SearchParameter.code",
        "short" : "Code used in URL",
        "definition" : "The code used in the URL or the parameter name in a parameters resource for this search parameter.",
        "comment" : "For maximum compatibility, use only lowercase ASCII characters.",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isSummary" : true
      },
      {
        "id" : "SearchParameter.base",
        "path" : "SearchParameter.base",
        "short" : "The resource type(s) this search parameter applies to",
        "definition" : "The base resource type(s) that this search parameter can be used against.",
        "comment" : "A search parameter must always apply to at least one resource type. When search parameters apply to more than one resource type, they can be used against any of the listed resource types, or in a cross-type search (see [Cross Resource Search](http.html#xres-search)).",
        "min" : 1,
        "max" : "*",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isSummary" : true,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "ResourceType"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "required",
          "description" : "One of the resource types defined as part of this version of FHIR.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/resource-types"
        }
      },
      {
        "id" : "SearchParameter.type",
        "path" : "SearchParameter.type",
        "short" : "number | date | string | token | reference | composite | quantity | uri | special",
        "definition" : "The type of value that a search parameter may contain, and how the content is interpreted.",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "isSummary" : true,
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "SearchParamType"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "required",
          "description" : "Data types allowed to be used for search parameters.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/search-param-type"
        }
      },
      {
        "id" : "SearchParameter.expression",
        "path" : "SearchParameter.expression",
        "short" : "FHIRPath expression that extracts the values",
        "definition" : "A FHIRPath expression that returns a set of elements for the search parameter.",
        "comment" : "Note that the elements returned by the expression are sometimes complex elements where logic is required to determine quite how to handle them; e.g. CodeableConcepts may contain text and/or multiple codings, where the codings themselves contain a code and a system. For composite search parameters, the outcome of the expression must a collection of base elements from which the composites are derived.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "string"
          }
        ],
        "condition" : [
          "spd-1"
        ]
      },
      {
        "id" : "SearchParameter.xpath",
        "path" : "SearchParameter.xpath",
        "short" : "XPath that extracts the values",
        "definition" : "An XPath expression that returns a set of elements for the search parameter.",
        "comment" : "Note that the elements returned by the XPath are sometimes complex elements where logic is required to determine quite how to handle them; e.g. CodeableConcepts may contain text and/or multiple codings, where the codings themselves contain a code and a system.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "string"
          }
        ],
        "condition" : [
          "spd-1"
        ]
      },
      {
        "id" : "SearchParameter.xpathUsage",
        "path" : "SearchParameter.xpathUsage",
        "short" : "normal | phonetic | nearby | distance | other",
        "definition" : "How the search parameter relates to the set of elements returned by evaluating the xpath query.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "condition" : [
          "spd-1"
        ],
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "XPathUsageType"
            }
          ],
          "strength" : "required",
          "description" : "How a search parameter relates to the set of elements returned by evaluating its xpath query.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/search-xpath-usage"
        }
      },
      {
        "id" : "SearchParameter.target",
        "path" : "SearchParameter.target",
        "short" : "Types of resource (if a resource reference)",
        "definition" : "Types of resource (if a resource is referenced).",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "ResourceType"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean" : true
            }
          ],
          "strength" : "required",
          "description" : "One of the resource types defined as part of this version of FHIR.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/resource-types"
        }
      },
      {
        "id" : "SearchParameter.multipleOr",
        "path" : "SearchParameter.multipleOr",
        "short" : "Allow multiple values per parameter (or)",
        "definition" : "Whether multiple values are allowed for each time the parameter exists. Values are separated by commas, and the parameter matches if any of the values match.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "boolean"
          }
        ]
      },
      {
        "id" : "SearchParameter.multipleAnd",
        "path" : "SearchParameter.multipleAnd",
        "short" : "Allow multiple parameters (and)",
        "definition" : "Whether multiple parameters are allowed - e.g. more than one parameter with the same name. The search matches if all the parameters match.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "boolean"
          }
        ]
      },
      {
        "id" : "SearchParameter.comparator",
        "path" : "SearchParameter.comparator",
        "short" : "eq | ne | gt | lt | ge | le | sa | eb | ap",
        "definition" : "Comparators supported for the search parameter.",
        "comment" : "If no comparators are listed, clients should not expect servers to support any comparators.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "SearchComparator"
            }
          ],
          "strength" : "required",
          "description" : "What Search Comparator Codes are supported in search.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/search-comparator"
        }
      },
      {
        "id" : "SearchParameter.modifier",
        "path" : "SearchParameter.modifier",
        "short" : "missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType",
        "definition" : "A modifier supported for the search parameter.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "binding" : {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString" : "SearchModifierCode"
            }
          ],
          "strength" : "required",
          "description" : "A supported modifier for a search parameter.",
          "valueSet" : "http://hl7.org/fhir/ValueSet/search-modifier-code"
        }
      },
      {
        "id" : "SearchParameter.chain",
        "path" : "SearchParameter.chain",
        "short" : "Chained names supported",
        "definition" : "Contains the names of any search parameters which may be chained to the containing search parameter. Chained parameters may be added to search parameters of type reference and specify that resources will only be returned if they contain a reference to a resource which matches the chained parameter value. Values for this field should be drawn from SearchParameter.code for a parameter on the target resource type.",
        "comment" : "Systems are not required to list all the chain names they support, but if they don't list them, clients might not know to use them.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "string"
          }
        ]
      },
      {
        "id" : "SearchParameter.component",
        "path" : "SearchParameter.component",
        "short" : "For Composite resources to define the parts",
        "definition" : "Used to define the parts of a composite search parameter.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "BackboneElement"
          }
        ]
      },
      {
        "id" : "SearchParameter.component.definition",
        "path" : "SearchParameter.component.definition",
        "short" : "Defines how the part works",
        "definition" : "The definition of the search parameter that describes this part.",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "canonical",
            "targetProfile" : [
              "http://hl7.org/fhir/StructureDefinition/SearchParameter"
            ]
          }
        ]
      },
      {
        "id" : "SearchParameter.component.expression",
        "path" : "SearchParameter.component.expression",
        "short" : "Subexpression relative to main expression",
        "definition" : "A sub-expression that defines how to extract values for this component from the output of the main SearchParameter.expression.",
        "comment" : "This expression overrides the expression in the definition and extracts the index values from the outcome of the composite expression.",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "string"
          }
        ]
      }
    ]
  }
}