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Resource "Subscription" 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

NameFlagsCard.TypeDescription & Constraintsdoco
.. Subscription ΣDomainResourceA server push subscription criteria
Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
... status ?!Σ1..1coderequested | active | error | off
SubscriptionStatus (Required)
... contact Σ0..*ContactPointContact details for source (e.g. troubleshooting)
... end Σ0..1instantWhen to automatically delete the subscription
... reason Σ1..1stringDescription of why this subscription was created
... criteria Σ1..1stringRule for server push criteria
... error Σ0..1stringLatest error note
... channel Σ1..1BackboneElementThe channel on which to report matches to the criteria
.... type Σ1..1coderest-hook | websocket | email | sms | message
SubscriptionChannelType (Required)
.... endpoint Σ0..1uriWhere the channel points to
.... payload Σ0..1stringMimetype to send, or omit for no payload
.... header Σ0..*stringUsage depends on the channel type
... tag Σ0..*CodingA tag to add to matching resources
SubscriptionTag (Example)

doco Documentation for this format

<?xml version="1.0" encoding="UTF-8"?>
<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Subscription"/>
  <meta>
    <versionId value="1"/>
    <lastUpdated value="2017-09-26T22:00:46Z"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <table style="border: 0px #F0F0F0 solid font-size: 11px font-family: verdana vertical-align: top" border="0" cellpadding="0" cellspacing="0">
        <tr style="border: 1px #F0F0F0 solid font-size: 11px font-family: verdana vertical-align: top">
          <th style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a title="The logical name of the element" href="formats.html#table">Name</a>
          </th>
          <th style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a title="Information about the use of the element" href="formats.html#table">Flags</a>
          </th>
          <th style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a title="Minimum and Maximum # of times the the element can appear in the instance" href="formats.html#table">Card.</a>
          </th>
          <th style="width: 100px" class="hierarchy">
            <a title="Reference to the type of the element" href="formats.html#table">Type</a>
          </th>
          <th style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a title="Additional information about the element" href="formats.html#table">Description &amp; Constraints</a>
            <span style="float: right">
              <a title="Legend for this format" href="formats.html#table">
                <img alt="doco" style="background-color: inherit"/>
              </a>
            </span>
          </th>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,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" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Resource"/>
            <span title="Subscription : The subscription resource is used to define a push based subscription from a server to another system. Once a subscription is registered with the server, the server checks every resource that is created or updated, and if the resource matches the given criteria, it sends a message on the defined &quot;channel&quot; so that another system is able to take an appropriate action.">Subscription</span>
            <a name="Subscription"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy"/>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="domainresource.html">DomainResource</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">A server push subscription criteria
            <br/>Elements defined in Ancestors:
            <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>,
            <a title="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource." href="resource.html#Resource">meta</a>,
            <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." href="resource.html#Resource">implicitRules</a>,
            <a title="The base language in which the resource is written." href="resource.html#Resource">language</a>,
            <a title="A human-readable narrative that contains a summary of the resource, and may 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>,
            <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>,
            <a title="May be used to represent additional information that is not part of the basic definition of the resource. In order 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." href="domainresource.html#DomainResource">extension</a>,
            <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. Usually modifier elements provide negation or qualification. In order 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." href="domainresource.html#DomainResource">modifierExtension</a>
          </td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.status : The status of the subscription, which marks the server state for managing the subscription.">status</span>
            <a name="Subscription.status"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is a modifier element">?!</span>
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#code">code</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">requested | active | error | off
            <br/>
            <a title="The status of a subscription." href="valueset-subscription-status.html">SubscriptionStatus</a>(
            <a title="To be conformant, the concept in this element SHALL be from the specified value set" href="terminologies.html#required">Required</a>)</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,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" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Data Type"/>
            <span title="Subscription.contact : Contact details for a human to contact about the subscription. The primary use of this for system administrator troubleshooting.">contact</span>
            <a name="Subscription.contact"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">0..*</td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#ContactPoint">ContactPoint</a>
          </td>
          <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 source (e.g. troubleshooting)
            <br/>
          </td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.end : The time for the server to turn the subscription off.">end</span>
            <a name="Subscription.end"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#instant">instant</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">When to automatically delete the subscription</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.reason : A description of why this subscription is defined.">reason</span>
            <a name="Subscription.reason"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#string">string</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">Description of why this subscription was created</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.criteria : The rules that the server should use to determine when to generate notifications for this subscription.">criteria</span>
            <a name="Subscription.criteria"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#string">string</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">Rule for server push criteria</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.error : A record of the last error that occurred when the server processed a notification.">error</span>
            <a name="Subscription.error"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#string">string</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">Latest error note</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,R0lGODlhEAAQAMQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw/npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///////yH5BAEAAB8ALAAAAAAQABAAAAV24CeOZGmepqeqqOgxjBZFa+19r4ftWQUAgqDgltthMshMIJAZ4jYDHsBARSAmFOJvq+g6HIdEFgcYmBWNxoNAsDjGHgBnmV5bCoUDHLBIq9sFEhIdcAYJdYASFRUQhQkLCwkOFwcdEBAXhVabE52ecDahKy0oIQA7" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Element"/>
            <span title="Subscription.channel : Details where to send notifications when resources are received that meet the criteria.">channel</span>
            <a name="Subscription.channel"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="backboneelement.html">BackboneElement</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">The channel on which to report matches to the criteria</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAOCZBkurQFbnaRSlAAAAAElFTkSuQmCC)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwAv+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.channel.type : The type of channel to send notifications on.">type</span>
            <a name="Subscription.channel.type"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#code">code</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">rest-hook | websocket | email | sms | message
            <br/>
            <a title="The type of method used to execute a subscription." href="valueset-subscription-channel-type.html">SubscriptionChannelType</a>(
            <a title="To be conformant, the concept in this element SHALL be from the specified value set" href="terminologies.html#required">Required</a>)</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAOCZBkurQFbnaRSlAAAAAElFTkSuQmCC)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwAv+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.channel.endpoint : The uri that describes the actual end-point to send messages to.">endpoint</span>
            <a name="Subscription.channel.endpoint"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#uri">uri</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">Where the channel points to</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAOCZBkurQFbnaRSlAAAAAElFTkSuQmCC)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwAv+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.channel.payload : The mime type to send the payload in - either application/fhir+xml, or application/fhir+json. If the payload is not present, then there is no payload in the notification, just a notification.">payload</span>
            <a name="Subscription.channel.payload"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <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>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#string">string</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">Mimetype to send, or omit for no payload</td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwAv+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUOL+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Primitive Data Type"/>
            <span title="Subscription.channel.header : Additional headers / information to send as part of the notification.">header</span>
            <a name="Subscription.channel.header"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">0..*</td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#string">string</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">Usage depends on the channel type
            <br/>
          </td>
        </tr>
        <tr style="border: 0px #F0F0F0 solid padding:0px vertical-align: top background-color: white">
          <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/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAAAASUVORK5CYII=)" class="hierarchy">
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUOL+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC" class="hierarchy" alt="." style="background-color: inherit"/>
            <img src="data: image/pngbase64,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" class="hierarchy" alt="." style="background-color: white background-color: inherit" title="Data Type"/>
            <span title="Subscription.tag : A tag to add to any resource that matches the criteria, after the subscription is processed.">tag</span>
            <a name="Subscription.tag"> </a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">0..*</td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">
            <a href="datatypes.html#Coding">Coding</a>
          </td>
          <td style="vertical-align: top text-align : left background-color: white border: 0px #F0F0F0 solid padding:0px 4px 0px 4px" class="hierarchy">A tag to add to matching resources
            <br/>
            <a title="Tags to put on a resource after subscriptions have been sent." href="valueset-subscription-tag.html">SubscriptionTag</a>(
            <a title="Instances are not expected or even encouraged to draw from the specified value set. The value set merely provides examples of the types of concepts intended to be included." href="terminologies.html#example">Example</a>)
            <br/>
          </td>
        </tr>
        <tr>
          <td colspan="5" class="hierarchy">
            <br/>
            <a title="Legend for this format" href="formats.html#table">
              <img alt="doco" style="background-color: inherit"/>Documentation for this format</a>
          </td>
        </tr>
      </table>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/>
  </extension>
  <url value="http://hl7.org/fhir/StructureDefinition/Subscription"/>
  <name value="Subscription"/>
  <status value="draft"/>
  <date value="2017-04-27T17:09:41+10:00"/>
  <publisher value="Health Level Seven International (FHIR Infrastructure)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
  </contact>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/fiwg/index.cfm"/>
    </telecom>
  </contact>
  <description value="The subscription resource is used to define a push based subscription from a server to another system. Once a subscription is registered with the server, the server checks every resource that is created or updated, and if the resource matches the given criteria, it sends a message on the defined &quot;channel&quot; so that another system is able to take an appropriate action."/>
  <fhirVersion value="3.0.1"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM Mapping"/>
  </mapping>
  <mapping>
    <identity value="w5"/>
    <uri value="http://hl7.org/fhir/w5"/>
    <name value="W5 Mapping"/>
  </mapping>
  <kind value="resource"/>
  <abstract value="false"/>
  <type value="Subscription"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
  <derivation value="specialization"/>
  <snapshot>
    <element id="Subscription">
      <path value="Subscription"/>
      <short value="A server push subscription criteria"/>
      <definition value="The subscription resource is used to define a push based subscription from a server to another system. Once a subscription is registered with the server, the server checks every resource that is created or updated, and if the resource matches the given criteria, it sends a message on the defined &quot;channel&quot; so that another system is able to take an appropriate action."/>
      <alias value="WebHook"/>
      <alias value="Hook"/>
      <alias value="Routing Rule"/>
      <min value="0"/>
      <max value="*"/>
      <constraint>
        <key value="dom-2"/>
        <severity value="error"/>
        <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/>
        <expression value="contained.contained.empty()"/>
        <xpath value="not(parent::f:contained and f:contained)"/>
        <source value="DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-1"/>
        <severity value="error"/>
        <human value="If the resource is contained in another resource, it SHALL NOT contain any narrative"/>
        <expression value="contained.text.empty()"/>
        <xpath value="not(parent::f:contained and f:text)"/>
        <source value="DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-4"/>
        <severity value="error"/>
        <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated"/>
        <expression value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/>
        <xpath value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/>
        <source value="DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-3"/>
        <severity value="error"/>
        <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource"/>
        <expression value="contained.where(('#'+id in %resource.descendants().reference).not()).empty()"/>
        <xpath value="not(exists(for $id in f:contained/*/@id return $id[not(ancestor::f:contained/parent::*/descendant::f:reference/@value=concat('#', $id))]))"/>
        <source value="DomainResource"/>
      </constraint>
      <mapping>
        <identity value="rim"/>
        <map value="Entity. Role, or Act"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="infrastructure.exchange"/>
      </mapping>
    </element>
    <element id="Subscription.id">
      <path value="Subscription.id"/>
      <short value="Logical id of this artifact"/>
      <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes."/>
      <comment value="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 value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.meta">
      <path value="Subscription.meta"/>
      <short value="Metadata about the resource"/>
      <definition value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.meta"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Meta"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.implicitRules">
      <path value="Subscription.implicitRules"/>
      <short value="A set of rules under which this content was created"/>
      <definition value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content."/>
      <comment value="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. &#xA;&#xA;This element is labelled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.implicitRules"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.language">
      <path value="Subscription.language"/>
      <short value="Language of the resource content"/>
      <definition value="The base language in which the resource is written."/>
      <comment value="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 value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.language"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueReference>
            <reference value="http://hl7.org/fhir/ValueSet/all-languages"/>
          </valueReference>
        </extension>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language"/>
        </extension>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/>
        </extension>
        <strength value="extensible"/>
        <description value="A human language."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/languages"/>
        </valueSetReference>
      </binding>
    </element>
    <element id="Subscription.text">
      <path value="Subscription.text"/>
      <short value="Text summary of the resource, for human interpretation"/>
      <definition value="A human-readable narrative that contains a summary of the resource, and may 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."/>
      <comment value="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 &quot;text blob&quot; or where text is additionally entered raw or narrated and encoded in formation is added later."/>
      <alias value="narrative"/>
      <alias value="html"/>
      <alias value="xhtml"/>
      <alias value="display"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.text"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Narrative"/>
      </type>
      <condition value="dom-1"/>
      <mapping>
        <identity value="rim"/>
        <map value="Act.text?"/>
      </mapping>
    </element>
    <element id="Subscription.contained">
      <path value="Subscription.contained"/>
      <short value="Contained, inline Resources"/>
      <definition value="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 value="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."/>
      <alias value="inline resources"/>
      <alias value="anonymous resources"/>
      <alias value="contained resources"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.contained"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Resource"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="Subscription.extension">
      <path value="Subscription.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition of the resource. In order 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."/>
      <comment value="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 value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="Subscription.modifierExtension">
      <path value="Subscription.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition value="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. Usually modifier elements provide negation or qualification. In order 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."/>
      <comment value="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 value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="Subscription.status">
      <path value="Subscription.status"/>
      <short value="requested | active | error | off"/>
      <definition value="The status of the subscription, which marks the server state for managing the subscription."/>
      <comment value="A client can only submit subscription resources in the requested or off state. Only the server can move a subscription from requested to active, and then to error. Either the server or the client can turn a subscription off.&#xA;&#xA;This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SubscriptionStatus"/>
        </extension>
        <strength value="required"/>
        <description value="The status of a subscription."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/subscription-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="w5"/>
        <map value="status"/>
      </mapping>
    </element>
    <element id="Subscription.contact">
      <path value="Subscription.contact"/>
      <short value="Contact details for source (e.g. troubleshooting)"/>
      <definition value="Contact details for a human to contact about the subscription. The primary use of this for system administrator troubleshooting."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="ContactPoint"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="who.focus"/>
      </mapping>
    </element>
    <element id="Subscription.end">
      <path value="Subscription.end"/>
      <short value="When to automatically delete the subscription"/>
      <definition value="The time for the server to turn the subscription off."/>
      <comment value="The server is permitted to deviate from this time, but should observe it."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="instant"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="when.done"/>
      </mapping>
    </element>
    <element id="Subscription.reason">
      <path value="Subscription.reason"/>
      <short value="Description of why this subscription was created"/>
      <definition value="A description of why this subscription is defined."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="why"/>
      </mapping>
    </element>
    <element id="Subscription.criteria">
      <path value="Subscription.criteria"/>
      <short value="Rule for server push criteria"/>
      <definition value="The rules that the server should use to determine when to generate notifications for this subscription."/>
      <comment value="The rules are a search criteria (without the [base] part). Like Bundle.entry.request.url, it has no leading &quot;/&quot;."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.error">
      <path value="Subscription.error"/>
      <short value="Latest error note"/>
      <definition value="A record of the last error that occurred when the server processed a notification."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.channel">
      <path value="Subscription.channel"/>
      <short value="The channel on which to report matches to the criteria"/>
      <definition value="Details where to send notifications when resources are received that meet the criteria."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression value="hasValue() | (children().count() > id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="Element"/>
      </constraint>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.channel.id">
      <path value="Subscription.channel.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="Subscription.channel.extension">
      <path value="Subscription.channel.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order 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."/>
      <comment value="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 value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="Subscription.channel.modifierExtension">
      <path value="Subscription.channel.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition value="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 that contains it. Usually modifier elements provide negation or qualification. In order 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."/>
      <comment value="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 value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="Subscription.channel.type">
      <path value="Subscription.channel.type"/>
      <short value="rest-hook | websocket | email | sms | message"/>
      <definition value="The type of channel to send notifications on."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SubscriptionChannelType"/>
        </extension>
        <strength value="required"/>
        <description value="The type of method used to execute a subscription."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/subscription-channel-type"/>
        </valueSetReference>
      </binding>
    </element>
    <element id="Subscription.channel.endpoint">
      <path value="Subscription.channel.endpoint"/>
      <short value="Where the channel points to"/>
      <definition value="The uri that describes the actual end-point to send messages to."/>
      <comment value="For rest-hook, and websocket, the end-point must be an http: or https: URL for email, a mailto: url, for sms, a tel: url, and for message the endpoint can be in any form of url the server understands (usually, http: or mllp:). The URI is allowed to be relative in which case, it is relative to the server end-point (since their may be more than one, clients should avoid using relative URIs)."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.channel.payload">
      <path value="Subscription.channel.payload"/>
      <short value="Mimetype to send, or omit for no payload"/>
      <definition value="The mime type to send the payload in - either application/fhir+xml, or application/fhir+json. If the payload is not present, then there is no payload in the notification, just a notification."/>
      <comment value="Sending the payload has obvious security implications. The server is responsible for ensuring that the content is appropriately secured."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.channel.header">
      <path value="Subscription.channel.header"/>
      <short value="Usage depends on the channel type"/>
      <definition value="Additional headers / information to send as part of the notification."/>
      <comment value="Exactly what these mean depend on the channel type. They can convey additional information to the recipient and/or meet security requirements for example, support of multiple headers in the outgoing notifications for rest-hook type subscriptions."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.tag">
      <path value="Subscription.tag"/>
      <short value="A tag to add to matching resources"/>
      <definition value="A tag to add to any resource that matches the criteria, after the subscription is processed."/>
      <comment value="So that other systems can tell which resources have been the subject of a notification."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Coding"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SubscriptionTag"/>
        </extension>
        <strength value="example"/>
        <description value="Tags to put on a resource after subscriptions have been sent."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/subscription-tag"/>
        </valueSetReference>
      </binding>
    </element>
  </snapshot>
  <differential>
    <element id="Subscription">
      <path value="Subscription"/>
      <short value="A server push subscription criteria"/>
      <definition value="The subscription resource is used to define a push based subscription from a server to another system. Once a subscription is registered with the server, the server checks every resource that is created or updated, and if the resource matches the given criteria, it sends a message on the defined &quot;channel&quot; so that another system is able to take an appropriate action."/>
      <alias value="WebHook"/>
      <alias value="Hook"/>
      <alias value="Routing Rule"/>
      <min value="0"/>
      <max value="*"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="infrastructure.exchange"/>
      </mapping>
    </element>
    <element id="Subscription.status">
      <path value="Subscription.status"/>
      <short value="requested | active | error | off"/>
      <definition value="The status of the subscription, which marks the server state for managing the subscription."/>
      <comment value="A client can only submit subscription resources in the requested or off state. Only the server can move a subscription from requested to active, and then to error. Either the server or the client can turn a subscription off.&#xA;&#xA;This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SubscriptionStatus"/>
        </extension>
        <strength value="required"/>
        <description value="The status of a subscription."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/subscription-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="w5"/>
        <map value="status"/>
      </mapping>
    </element>
    <element id="Subscription.contact">
      <path value="Subscription.contact"/>
      <short value="Contact details for source (e.g. troubleshooting)"/>
      <definition value="Contact details for a human to contact about the subscription. The primary use of this for system administrator troubleshooting."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="ContactPoint"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="who.focus"/>
      </mapping>
    </element>
    <element id="Subscription.end">
      <path value="Subscription.end"/>
      <short value="When to automatically delete the subscription"/>
      <definition value="The time for the server to turn the subscription off."/>
      <comment value="The server is permitted to deviate from this time, but should observe it."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="instant"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="when.done"/>
      </mapping>
    </element>
    <element id="Subscription.reason">
      <path value="Subscription.reason"/>
      <short value="Description of why this subscription was created"/>
      <definition value="A description of why this subscription is defined."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="why"/>
      </mapping>
    </element>
    <element id="Subscription.criteria">
      <path value="Subscription.criteria"/>
      <short value="Rule for server push criteria"/>
      <definition value="The rules that the server should use to determine when to generate notifications for this subscription."/>
      <comment value="The rules are a search criteria (without the [base] part). Like Bundle.entry.request.url, it has no leading &quot;/&quot;."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.error">
      <path value="Subscription.error"/>
      <short value="Latest error note"/>
      <definition value="A record of the last error that occurred when the server processed a notification."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.channel">
      <path value="Subscription.channel"/>
      <short value="The channel on which to report matches to the criteria"/>
      <definition value="Details where to send notifications when resources are received that meet the criteria."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="BackboneElement"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.channel.type">
      <path value="Subscription.channel.type"/>
      <short value="rest-hook | websocket | email | sms | message"/>
      <definition value="The type of channel to send notifications on."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SubscriptionChannelType"/>
        </extension>
        <strength value="required"/>
        <description value="The type of method used to execute a subscription."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/subscription-channel-type"/>
        </valueSetReference>
      </binding>
    </element>
    <element id="Subscription.channel.endpoint">
      <path value="Subscription.channel.endpoint"/>
      <short value="Where the channel points to"/>
      <definition value="The uri that describes the actual end-point to send messages to."/>
      <comment value="For rest-hook, and websocket, the end-point must be an http: or https: URL for email, a mailto: url, for sms, a tel: url, and for message the endpoint can be in any form of url the server understands (usually, http: or mllp:). The URI is allowed to be relative in which case, it is relative to the server end-point (since their may be more than one, clients should avoid using relative URIs)."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.channel.payload">
      <path value="Subscription.channel.payload"/>
      <short value="Mimetype to send, or omit for no payload"/>
      <definition value="The mime type to send the payload in - either application/fhir+xml, or application/fhir+json. If the payload is not present, then there is no payload in the notification, just a notification."/>
      <comment value="Sending the payload has obvious security implications. The server is responsible for ensuring that the content is appropriately secured."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.channel.header">
      <path value="Subscription.channel.header"/>
      <short value="Usage depends on the channel type"/>
      <definition value="Additional headers / information to send as part of the notification."/>
      <comment value="Exactly what these mean depend on the channel type. They can convey additional information to the recipient and/or meet security requirements for example, support of multiple headers in the outgoing notifications for rest-hook type subscriptions."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element id="Subscription.tag">
      <path value="Subscription.tag"/>
      <short value="A tag to add to matching resources"/>
      <definition value="A tag to add to any resource that matches the criteria, after the subscription is processed."/>
      <comment value="So that other systems can tell which resources have been the subject of a notification."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Coding"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SubscriptionTag"/>
        </extension>
        <strength value="example"/>
        <description value="Tags to put on a resource after subscriptions have been sent."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/subscription-tag"/>
        </valueSetReference>
      </binding>
    </element>
  </differential>
</StructureDefinition>