WHO SMART Trust
1.5.0 - release

WHO SMART Trust, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.5.0 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/v1.5.0-release-candidate and changes regularly. See the Directory of published versions

## : WHO GDHCN Trust Actors CodeSystem - XML Representation

Active as of 2026-04-27

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    <CodeSystem xmlns="http://hl7.org/fhir">
      <id value="Actors"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem Actors</b></p><a name="Actors"> </a><a name="hcActors"> </a><p>This case-insensitive code system <code>http://smart.who.int/trust/CodeSystem/Actors</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">credential-holder<a name="Actors-credential-holder"> </a></td><td>Holder of a Credential</td><td/></tr><tr><td style="white-space:nowrap">credential-issuer<a name="Actors-credential-issuer"> </a></td><td>Issuer of a Credential</td><td/></tr><tr><td style="white-space:nowrap">gdhcn<a name="Actors-gdhcn"> </a></td><td>GDHCN</td><td>Global Digital Health Certification Network (GDHCN)</td></tr><tr><td style="white-space:nowrap">TNG<a name="Actors-TNG"> </a></td><td>TNG</td><td>Trust Network Gateway</td></tr><tr><td style="white-space:nowrap">TNP<a name="Actors-TNP"> </a></td><td>TNP</td><td>Trust Network Participant</td></tr></table></div>
      </text>
      <url value="http://smart.who.int/trust/CodeSystem/Actors"/>
      <version value="1.5.0"/>
      <name value="Actors"/>
      <title value="WHO GDHCN Trust Actors CodeSystem"/>
      <status value="active"/>
      <experimental value="true"/>
      <date value="2026-04-27T07:07:17+00:00"/>
      <publisher value="WHO"/>
      <contact>
        <name value="WHO"/>
        <telecom>
          <system value="url"/>
          <value value="http://who.int"/>
        </telecom>
      </contact>
      <description
                   value="CodeSystem for SMART Trust actors that has usage codes for verification keys published to the Trust Network as defined by the [certificate governance](concepts_certificate_governance.html)"/>
      <jurisdiction>
        <coding>
          <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
          <code value="001"/>
        </coding>
      </jurisdiction>
      <caseSensitive value="false"/>
      <content value="complete"/>
      <count value="5"/>
      <concept>
        <code value="credential-holder"/>
        <display value="Holder of a Credential"/>
      </concept>
      <concept>
        <code value="credential-issuer"/>
        <display value="Issuer of a Credential"/>
      </concept>
      <concept>
        <code value="gdhcn"/>
        <display value="GDHCN"/>
        <definition value="Global Digital Health Certification Network (GDHCN)"/>
      </concept>
      <concept>
        <code value="TNG"/>
        <display value="TNG"/>
        <definition value="Trust Network Gateway"/>
      </concept>
      <concept>
        <code value="TNP"/>
        <display value="TNP"/>
        <definition value="Trust Network Participant"/>
      </concept>
    </CodeSystem>