CBOR Web Token (CWT) Payload (Common) - XML Representation

WHO SMART Trust
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WHO SMART Trust, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.7.5 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-trust/ and changes regularly. See the Directory of published versions
Logical Model: CWTPayload - XML Profile

Active as of 2026-10-22
XML representation of the CWTPayload logical model.
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<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="CWTPayload"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition CWTPayload</b></p><table border="0" cellpadding="0" cellspacing="0" class="xhtTableBorder0"><tr class="xhtRowBorder1"><th scope="col" style="" class="hierarchy xhtCellBorder0"><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 scope="col" style="" class="hierarchy xhtCellBorder0"><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 scope="col" style="" class="hierarchy xhtCellBorder0"><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 scope="col" style="; width: 100px" class="hierarchy xhtCellBorder0"><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 scope="col" style="" class="hierarchy xhtCellBorder0"><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,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" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr class="xhtRowBorder0 xhtRowEven"><td style="background-image: url(tbl_bck1.png)" class="hierarchy xhtCellBorder0 xhtCellNoWrap"><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-CWTPayload-definitions.html#CWTPayload" title="Logical Model for CBOR Web Token (CWT) Payload Logical Modelin CWT Payload https://www.iana.org/assignments/cwt/cwt.xhtml ">CWTPayload</a><a name="CWTPayload"> </a></td><td style="" class="hierarchy xhtCellBorder0"/><td style="" class="hierarchy xhtCellBorder0"><span class="xhtPieceDeEmphasized">0</span><span class="xhtPieceDeEmphasized">..</span><span class="xhtPieceDeEmphasized">*</span></td><td style="" class="hierarchy xhtCellBorder0"><a href="http://hl7.org/fhir/R5/types.html#Base">Base</a></td><td style="" class="hierarchy xhtCellBorder0">CBOR Web Token (CWT) Payload (Common)</td></tr>
<tr class="xhtRowBorder0 xhtRowOdd"><td style="background-image: url(tbl_bck10.png)" class="hierarchy xhtCellBorder0 xhtCellNoWrap"><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_datatype.gif" alt="" style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <span style="position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0" class="sr-only">CWTPayload.</span><a href="StructureDefinition-CWTPayload-definitions.html#CWTPayload.1" title="Issuer">1</a><a name="CWTPayload.1"> </a></td><td style="" class="hierarchy xhtCellBorder0"/><td style="" class="hierarchy xhtCellBorder0">0..1</td><td style="" class="hierarchy xhtCellBorder0"><a href="http://hl7.org/fhir/R5/datatypes.html#Coding">Coding</a></td><td style="" class="hierarchy xhtCellBorder0">Issuer Code (iss)</td></tr>
<tr class="xhtRowBorder0 xhtRowEven"><td style="background-image: url(tbl_bck10.png)" class="hierarchy xhtCellBorder0 xhtCellNoWrap"><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"/> <span style="position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0" class="sr-only">CWTPayload.</span><a href="StructureDefinition-CWTPayload-definitions.html#CWTPayload.4" title="Expiration Time">4</a><a name="CWTPayload.4"> </a></td><td style="" class="hierarchy xhtCellBorder0"/><td style="" class="hierarchy xhtCellBorder0">0..1</td><td style="" class="hierarchy xhtCellBorder0"><a href="http://hl7.org/fhir/R5/datatypes.html#dateTime">dateTime</a></td><td style="" class="hierarchy xhtCellBorder0">Expiration Date Time(exp)</td></tr>
<tr class="xhtRowBorder0 xhtRowOdd"><td style="background-image: url(tbl_bck10.png)" class="hierarchy xhtCellBorder0 xhtCellNoWrap"><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"/> <span style="position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0" class="sr-only">CWTPayload.</span><a href="StructureDefinition-CWTPayload-definitions.html#CWTPayload.6" title="Issued At">6</a><a name="CWTPayload.6"> </a></td><td style="" class="hierarchy xhtCellBorder0"/><td style="" class="hierarchy xhtCellBorder0">0..1</td><td style="" class="hierarchy xhtCellBorder0"><a href="http://hl7.org/fhir/R5/datatypes.html#dateTime">dateTime</a></td><td style="" class="hierarchy xhtCellBorder0">Issued At (iat)</td></tr>
<tr class="xhtRowBorder0 xhtRowEven"><td style="background-image: url(tbl_bck00.png)" class="hierarchy xhtCellBorder0 xhtCellNoWrap"><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_resource.png" alt="" style="background-color: white; background-color: inherit" title="Resource" class="hierarchy"/> <span style="position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0" class="sr-only">CWTPayload.</span><a href="StructureDefinition-CWTPayload-definitions.html#CWTPayload.-260" title="HCert">-260</a><a name="CWTPayload.-260"> </a></td><td style="" class="hierarchy xhtCellBorder0"/><td style="" class="hierarchy xhtCellBorder0">1..*</td><td style="" class="hierarchy xhtCellBorder0"><a href="StructureDefinition-HCert.html">HCert</a></td><td style="" class="hierarchy xhtCellBorder0">Health Certificate<br/></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,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" alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
  </text>
  <url value="http://smart.who.int/trust/StructureDefinition/CWTPayload"/>
  <version value="1.7.5"/>
  <name value="CWTPayload"/>
  <title value="CBOR Web Token (CWT) Payload (Common)"/>
  <status value="active"/>
  <date value="2026-10-22T10:52:00+00:00"/>
  <publisher value="WHO"/>
  <contact>
    <name value="WHO"/>
    <telecom>
      <system value="url"/>
      <value value="http://who.int"/>
    </telecom>
  </contact>
  <description
               value="Logical Model for CBOR Web Token (CWT) Payload Logical Modelin CWT Payload https://www.iana.org/assignments/cwt/cwt.xhtml "/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <fhirVersion value="5.0.0"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM Mapping"/>
  </mapping>
  <kind value="logical"/>
  <abstract value="false"/>
  <type value="http://smart.who.int/trust/StructureDefinition/CWTPayload"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Base"/>
  <derivation value="specialization"/>
  <snapshot>
    <extension
               url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
      <valueString value="5.0.0"/>
    </extension>
    <element id="CWTPayload">
      <path value="CWTPayload"/>
      <short value="CBOR Web Token (CWT) Payload (Common)"/>
      <definition
                  value="Logical Model for CBOR Web Token (CWT) Payload Logical Modelin CWT Payload https://www.iana.org/assignments/cwt/cwt.xhtml "/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Base"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <isModifier value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="CWTPayload.1">
      <path value="CWTPayload.1"/>
      <short value="Issuer Code (iss)"/>
      <definition value="Issuer"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="CWTPayload.1"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
    </element>
    <element id="CWTPayload.4">
      <path value="CWTPayload.4"/>
      <short value="Expiration Date Time(exp)"/>
      <definition value="Expiration Time"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="CWTPayload.4"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="dateTime"/>
      </type>
    </element>
    <element id="CWTPayload.6">
      <path value="CWTPayload.6"/>
      <short value="Issued At (iat)"/>
      <definition value="Issued At"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="CWTPayload.6"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="dateTime"/>
      </type>
    </element>
    <element id="CWTPayload.-260">
      <path value="CWTPayload.-260"/>
      <short value="Health Certificate"/>
      <definition value="HCert"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="CWTPayload.-260"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="http://smart.who.int/trust/StructureDefinition/HCert"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element id="CWTPayload">
      <path value="CWTPayload"/>
      <short value="CBOR Web Token (CWT) Payload (Common)"/>
      <definition
                  value="Logical Model for CBOR Web Token (CWT) Payload Logical Modelin CWT Payload https://www.iana.org/assignments/cwt/cwt.xhtml "/>
    </element>
    <element id="CWTPayload.1">
      <path value="CWTPayload.1"/>
      <short value="Issuer Code (iss)"/>
      <definition value="Issuer"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Coding"/>
      </type>
    </element>
    <element id="CWTPayload.4">
      <path value="CWTPayload.4"/>
      <short value="Expiration Date Time(exp)"/>
      <definition value="Expiration Time"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="dateTime"/>
      </type>
    </element>
    <element id="CWTPayload.6">
      <path value="CWTPayload.6"/>
      <short value="Issued At (iat)"/>
      <definition value="Issued At"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="dateTime"/>
      </type>
    </element>
    <element id="CWTPayload.-260">
      <path value="CWTPayload.-260"/>
      <short value="Health Certificate"/>
      <definition value="HCert"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="http://smart.who.int/trust/StructureDefinition/HCert"/>
      </type>
    </element>
  </differential>
</StructureDefinition>
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IG © 2023+ WHO. Package smart.who.int.trust#1.7.5 based on FHIR 5.0.0. Generated 2026-10-22
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