WHO SMART Trust
1.1.4 - CI Build

WHO SMART Trust, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.1.4 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-trust/tree/49/merge and changes regularly. See the Directory of published versions

## Logical Model: SmartHealthLinkPayload - XML Profile

Draft as of 2024-09-05

XML representation of the SmartHealthLinkPayload logical model.

Raw xml | Download

    <StructureDefinition xmlns="http://hl7.org/fhir">
      <id value="SmartHealthLinkPayload"/>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition SmartHealthLinkPayload</b></p><a name="SmartHealthLinkPayload"> </a><a name="hcSmartHealthLinkPayload"> </a><a name="SmartHealthLinkPayload-en-US"> </a><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><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 href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">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 href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">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 href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a></th><th style="width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">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 href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64, " 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(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-SmartHealthLinkPayload-definitions.html#SmartHealthLinkPayload" title="Smart Health Link Payload (DRAFT)

    This logical model was taken from the SMART Health Link documentation &lt;https://docs.smarthealthit.org/smart-health-links/spec#construct-a-shlink-payload&gt; as if 30 November 2023.

    A [[ SMART Health Link]] is generated from this payload according to the algorithm documented here &lt;https://docs.smarthealthit.org/smart-health-links/spec#example-shlink-generation&gt; to create a

    It is generated

    ">SmartHealthLinkPayload</a><a name="SmartHealthLinkPayload"> </a></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"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></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="http://build.fhir.org/types.html#Base">Base</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Smart Health Link Payload (DRAFT)<br/><span style="font-weight:bold">Instances of this logical model are not marked to be the target of a Reference</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-SmartHealthLinkPayload-definitions.html#SmartHealthLinkPayload.url" title="Manifest URL for this SHLink">url</a><a name="SmartHealthLinkPayload.url"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#string">string</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">url</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(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-SmartHealthLinkPayload-definitions.html#SmartHealthLinkPayload.key" title="Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded.">key</a><a name="SmartHealthLinkPayload.key"> </a></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">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="http://hl7.org/fhir/R4/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">Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded.</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-SmartHealthLinkPayload-definitions.html#SmartHealthLinkPayload.exp" title="Optional. Number representing expiration time in Epoch seconds, as a hint to help the SHL Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)">exp</a><a name="SmartHealthLinkPayload.exp"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#string">string</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Optional. Number representing expiration time in Epoch seconds, as a hint to help the SHL Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)</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(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-SmartHealthLinkPayload-definitions.html#SmartHealthLinkPayload.flag" title="Optional. String created by concatenating single-character flags in alphabetical order
      L Indicates the SHLink is intended for long-term use and manifest content can evolve over time
      P Indicates the SHLink requires a Passcode to resolves
      U Indicates the SHLink's url resolves to a single encrypted file accessible via GET, bypassing the manifest. SHALL NOT be used in combination with P.">flag</a><a name="SmartHealthLinkPayload.flag"> </a></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">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="http://hl7.org/fhir/R4/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">Optional. String created by concatenating single-character flags in alphabetical order
      L Indicates the SHLink is intended for long-term use and manifest content can evolve over time
      P Indicates the SHLink requires a Passcode to resolves
      U Indicates the SHLink's url resolves to a single encrypted file accessible via GET, bypassing the manifest. SHALL NOT be used in combination with P.</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-SmartHealthLinkPayload-definitions.html#SmartHealthLinkPayload.label" title="Optional. String no longer than 80 characters that provides a short description of the data behind the SHLink.">label</a><a name="SmartHealthLinkPayload.label"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#string">string</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Optional. String no longer than 80 characters that provides a short description of the data behind the SHLink.</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(tbl_bck00.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-SmartHealthLinkPayload-definitions.html#SmartHealthLinkPayload.v" title="Optional. Integer representing the SHLinks protocol version this SHLink conforms to. MAY be omitted when the default value (1) applies.">v</a><a name="SmartHealthLinkPayload.v"> </a></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">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="http://hl7.org/fhir/R4/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">Optional. Integer representing the SHLinks protocol version this SHLink conforms to. MAY be omitted when the default value (1) applies.</td></tr>
    <tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64, " alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
      </text>
      <url
           value="http://smart.who.int/trust/StructureDefinition/SmartHealthLinkPayload"/>
      <version value="1.1.4"/>
      <name value="SmartHealthLinkPayload"/>
      <title value="Smart Health Link Payload (DRAFT)"/>
      <status value="draft"/>
      <date value="2024-09-05T07:13:58+00:00"/>
      <publisher value="WHO"/>
      <contact>
        <name value="WHO"/>
        <telecom>
          <system value="url"/>
          <value value="http://who.int"/>
        </telecom>
      </contact>
      <description
                   value="Smart Health Link Payload (DRAFT)

    This logical model was taken from the SMART Health Link documentation &lt;https://docs.smarthealthit.org/smart-health-links/spec#construct-a-shlink-payload&gt; as if 30 November 2023.

    A [[ SMART Health Link]] is generated from this payload according to the algorithm documented here &lt;https://docs.smarthealthit.org/smart-health-links/spec#example-shlink-generation&gt; to create a

    It is generated

    "/>
      <jurisdiction>
        <coding>
          <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
          <code value="001"/>
        </coding>
      </jurisdiction>
      <fhirVersion value="4.0.1"/>
      <kind value="logical"/>
      <abstract value="false"/>
      <type
            value="http://smart.who.int/trust/StructureDefinition/SmartHealthLinkPayload"/>
      <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Base"/>
      <derivation value="specialization"/>
      <snapshot>
        <element id="SmartHealthLinkPayload">
          <path value="SmartHealthLinkPayload"/>
          <short value="Smart Health Link Payload (DRAFT)"/>
          <definition
                      value="Smart Health Link Payload (DRAFT)

    This logical model was taken from the SMART Health Link documentation &lt;https://docs.smarthealthit.org/smart-health-links/spec#construct-a-shlink-payload&gt; as if 30 November 2023.

    A [[ SMART Health Link]] is generated from this payload according to the algorithm documented here &lt;https://docs.smarthealthit.org/smart-health-links/spec#example-shlink-generation&gt; to create a

    It is generated

    "/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Base"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <isModifier value="false"/>
        </element>
        <element id="SmartHealthLinkPayload.url">
          <path value="SmartHealthLinkPayload.url"/>
          <short value="url"/>
          <definition value="Manifest URL for this SHLink"/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="SmartHealthLinkPayload.url"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.key">
          <path value="SmartHealthLinkPayload.key"/>
          <short
                 value="Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded."/>
          <definition
                      value="Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="SmartHealthLinkPayload.key"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.exp">
          <path value="SmartHealthLinkPayload.exp"/>
          <short
                 value="Optional. Number representing expiration time in Epoch seconds, as a hint to help the SHL Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)"/>
          <definition
                      value="Optional. Number representing expiration time in Epoch seconds, as a hint to help the SHL Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="SmartHealthLinkPayload.exp"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.flag">
          <path value="SmartHealthLinkPayload.flag"/>
          <short
                 value="Optional. String created by concatenating single-character flags in alphabetical order
      L Indicates the SHLink is intended for long-term use and manifest content can evolve over time
      P Indicates the SHLink requires a Passcode to resolves
      U Indicates the SHLink's url resolves to a single encrypted file accessible via GET, bypassing the manifest. SHALL NOT be used in combination with P."/>
          <definition
                      value="Optional. String created by concatenating single-character flags in alphabetical order
      L Indicates the SHLink is intended for long-term use and manifest content can evolve over time
      P Indicates the SHLink requires a Passcode to resolves
      U Indicates the SHLink's url resolves to a single encrypted file accessible via GET, bypassing the manifest. SHALL NOT be used in combination with P."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="SmartHealthLinkPayload.flag"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.label">
          <path value="SmartHealthLinkPayload.label"/>
          <short
                 value="Optional. String no longer than 80 characters that provides a short description of the data behind the SHLink."/>
          <definition
                      value="Optional. String no longer than 80 characters that provides a short description of the data behind the SHLink."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="SmartHealthLinkPayload.label"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.v">
          <path value="SmartHealthLinkPayload.v"/>
          <short
                 value="Optional. Integer representing the SHLinks protocol version this SHLink conforms to. MAY be omitted when the default value (1) applies."/>
          <definition
                      value="Optional. Integer representing the SHLinks protocol version this SHLink conforms to. MAY be omitted when the default value (1) applies."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="SmartHealthLinkPayload.v"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
        </element>
      </snapshot>
      <differential>
        <element id="SmartHealthLinkPayload">
          <path value="SmartHealthLinkPayload"/>
          <short value="Smart Health Link Payload (DRAFT)"/>
          <definition
                      value="Smart Health Link Payload (DRAFT)

    This logical model was taken from the SMART Health Link documentation &lt;https://docs.smarthealthit.org/smart-health-links/spec#construct-a-shlink-payload&gt; as if 30 November 2023.

    A [[ SMART Health Link]] is generated from this payload according to the algorithm documented here &lt;https://docs.smarthealthit.org/smart-health-links/spec#example-shlink-generation&gt; to create a

    It is generated

    "/>
        </element>
        <element id="SmartHealthLinkPayload.url">
          <path value="SmartHealthLinkPayload.url"/>
          <short value="url"/>
          <definition value="Manifest URL for this SHLink"/>
          <min value="1"/>
          <max value="1"/>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.key">
          <path value="SmartHealthLinkPayload.key"/>
          <short
                 value="Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded."/>
          <definition
                      value="Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded."/>
          <min value="1"/>
          <max value="1"/>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.exp">
          <path value="SmartHealthLinkPayload.exp"/>
          <short
                 value="Optional. Number representing expiration time in Epoch seconds, as a hint to help the SHL Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)"/>
          <definition
                      value="Optional. Number representing expiration time in Epoch seconds, as a hint to help the SHL Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)"/>
          <min value="0"/>
          <max value="1"/>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.flag">
          <path value="SmartHealthLinkPayload.flag"/>
          <short
                 value="Optional. String created by concatenating single-character flags in alphabetical order
      L Indicates the SHLink is intended for long-term use and manifest content can evolve over time
      P Indicates the SHLink requires a Passcode to resolves
      U Indicates the SHLink's url resolves to a single encrypted file accessible via GET, bypassing the manifest. SHALL NOT be used in combination with P."/>
          <definition
                      value="Optional. String created by concatenating single-character flags in alphabetical order
      L Indicates the SHLink is intended for long-term use and manifest content can evolve over time
      P Indicates the SHLink requires a Passcode to resolves
      U Indicates the SHLink's url resolves to a single encrypted file accessible via GET, bypassing the manifest. SHALL NOT be used in combination with P."/>
          <min value="0"/>
          <max value="1"/>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.label">
          <path value="SmartHealthLinkPayload.label"/>
          <short
                 value="Optional. String no longer than 80 characters that provides a short description of the data behind the SHLink."/>
          <definition
                      value="Optional. String no longer than 80 characters that provides a short description of the data behind the SHLink."/>
          <min value="0"/>
          <max value="1"/>
          <type>
            <code value="string"/>
          </type>
        </element>
        <element id="SmartHealthLinkPayload.v">
          <path value="SmartHealthLinkPayload.v"/>
          <short
                 value="Optional. Integer representing the SHLinks protocol version this SHLink conforms to. MAY be omitted when the default value (1) applies."/>
          <definition
                      value="Optional. Integer representing the SHLinks protocol version this SHLink conforms to. MAY be omitted when the default value (1) applies."/>
          <min value="0"/>
          <max value="1"/>
          <type>
            <code value="string"/>
          </type>
        </element>
      </differential>
    </StructureDefinition>