<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="taskperformer-profile" />
  <url value="http://fhir.xt.dev/StructureDefinition/TaskPerformer" />
  <version value="1.0.1" />
  <name value="TaskPerformer" />
  <status value="active" />
  <date value="2024-10-08T09:40:37.6670843+00:00" />
  <publisher value="x-tention Informationstechnologie GmbH" />
  <contact>
    <telecom>
      <system value="email" />
      <value value="fhir.profiling@x-tention.com" />
      <use value="work" />
    </telecom>
  </contact>
  <description value="This backports the performer from the R5 Task to the R4 Task." />
  <copyright value="x-tention Informationstechnologie GmbH" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Task" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://fhir.xt.dev/StructureDefinition/TaskPerformer" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Extension.value[x]:valueCodeableConcept">
      <path value="Extension.value[x]" />
      <sliceName value="valueCodeableConcept" />
      <short value="Type of performance" />
      <definition value="A code or description of the performer of the task. Equivalent to Task.performer.function in R5." />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="Extension.value[x]:valueReference">
      <path value="Extension.value[x]" />
      <sliceName value="valueReference" />
      <short value="Who performed the task" />
      <definition value="The actor or entity who performed the task. Equivalent to Task.performer.actor in R5." />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/CareTeam" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson" />
      </type>
    </element>
  </differential>
</StructureDefinition>