<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://electronichealth.se/fhir/shc/StructureDefinition/SHCSignedHealthCertificate" />
  <version value="0.1" />
  <name value="SHCSignedHealthCertificate" />
  <status value="draft" />
  <description value="This profile can be used to carry information about the signature of a health certificate, as well as the base 64 encoded document. The profile supports marking the document as signed (docStatus=Final) or unsigned (docStatus=Preliminary)." />
  <fhirVersion value="5.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="DocumentReference" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DocumentReference" />
  <derivation value="constraint" />
  <differential>
    <element id="DocumentReference.status">
      <path value="DocumentReference.status" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.docStatus">
      <path value="DocumentReference.docStatus" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.type">
      <path value="DocumentReference.type" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.type.coding">
      <path value="DocumentReference.type.coding" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.type.coding.system">
      <path value="DocumentReference.type.coding.system" />
      <min value="1" />
      <fixedUri value="http://snomed.info/sct" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.type.coding.version">
      <path value="DocumentReference.type.coding.version" />
      <fixedString value="http://snomed.info/sct/45991000052106" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.type.coding.code">
      <path value="DocumentReference.type.coding.code" />
      <min value="1" />
      <fixedCode value="308707006" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.subject">
      <path value="DocumentReference.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://electronichealth.se/fhir/shc/StructureDefinition/SHCHealthCertificateSubject" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.author">
      <path value="DocumentReference.author" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://electronichealth.se/fhir/shc/StructureDefinition/SHCPractitioner" />
        <targetProfile value="https://electronichealth.se/fhir/shc/StructureDefinition/SHCPractitionerRole" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.description">
      <path value="DocumentReference.description" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.content">
      <path value="DocumentReference.content" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.content.attachment">
      <path value="DocumentReference.content.attachment" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.content.attachment.data">
      <path value="DocumentReference.content.attachment.data" />
      <short value="the actual document data" />
      <comment value="Can be signed or unsigned, as marked by docStatus.&#xD;&#xA;The base64 encoded XML or PDF file including the health certificate" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>