<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="tasktriggeredcommunicationtemplate-profile" />
  <url value="http://fhir.xt.dev/StructureDefinition/TaskTriggeredCommunicationTemplate" />
  <version value="1.0.0" />
  <name value="TaskTriggeredCommunicationTemplate" />
  <status value="active" />
  <date value="2026-05-20T13:56:26.2350821+02:00" />
  <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="The template for a planned communication, automatically triggered by changes in data. The communication is usually a structured interaction modeled as a Task, but might also be a more conventional message. This type of communication template is triggered by a completed Task." />
  <copyright value="x-tention Informationstechnologie GmbH" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="CommunicationRequest" />
  <baseDefinition value="http://fhir.xt.dev/StructureDefinition/BaseCommunicationTemplate" />
  <derivation value="constraint" />
  <differential>
    <element id="CommunicationRequest.basedOn">
      <path value="CommunicationRequest.basedOn" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="type" />
        </discriminator>
        <discriminator>
          <type value="value" />
          <path value="identifier.type.coding.system" />
        </discriminator>
        <discriminator>
          <type value="value" />
          <path value="identifier.type.coding.code" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="1" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri">
      <path value="CommunicationRequest.basedOn" />
      <sliceName value="workflowUri" />
      <min value="1" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.extension:questionnaireResponseItemFilter">
      <path value="CommunicationRequest.basedOn.extension" />
      <sliceName value="questionnaireResponseItemFilter" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.xt.dev/StructureDefinition/QuestionnaireResponseItemFilter" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.type">
      <path value="CommunicationRequest.basedOn.type" />
      <min value="1" />
      <fixedUri value="CommunicationRequest" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier">
      <path value="CommunicationRequest.basedOn.identifier" />
      <min value="1" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.type">
      <path value="CommunicationRequest.basedOn.identifier.type" />
      <min value="1" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.type.coding">
      <path value="CommunicationRequest.basedOn.identifier.type.coding" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.type.coding.system">
      <path value="CommunicationRequest.basedOn.identifier.type.coding.system" />
      <min value="1" />
      <fixedUri value="http://fhir.xt.dev/CodeSystem/IdentifierType" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.type.coding.version">
      <path value="CommunicationRequest.basedOn.identifier.type.coding.version" />
      <max value="0" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.type.coding.code">
      <path value="CommunicationRequest.basedOn.identifier.type.coding.code" />
      <min value="1" />
      <fixedCode value="WRKU" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.type.coding.userSelected">
      <path value="CommunicationRequest.basedOn.identifier.type.coding.userSelected" />
      <max value="0" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.system">
      <path value="CommunicationRequest.basedOn.identifier.system" />
      <min value="1" />
      <fixedUri value="urn:ietf:rfc:3986" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.value">
      <path value="CommunicationRequest.basedOn.identifier.value" />
      <min value="1" />
    </element>
    <element id="CommunicationRequest.basedOn:workflowUri.identifier.period">
      <path value="CommunicationRequest.basedOn.identifier.period" />
      <max value="0" />
    </element>
    <element id="CommunicationRequest.category.coding.system">
      <path value="CommunicationRequest.category.coding.system" />
      <fixedUri value="http://fhir.xt.dev/CodeSystem/CommunicationTemplateCategory" />
    </element>
    <element id="CommunicationRequest.category.coding.code">
      <path value="CommunicationRequest.category.coding.code" />
      <fixedCode value="TaskCompletion" />
    </element>
    <element id="CommunicationRequest.occurrence[x].extension:startTiming">
      <path value="CommunicationRequest.occurrence[x].extension" />
      <sliceName value="startTiming" />
    </element>
    <element id="CommunicationRequest.occurrence[x].extension:startTiming.extension:eventCode">
      <path value="CommunicationRequest.occurrence[x].extension.extension" />
      <sliceName value="eventCode" />
    </element>
    <element id="CommunicationRequest.occurrence[x].extension:startTiming.extension:eventCode.value[x].code">
      <path value="CommunicationRequest.occurrence[x].extension.extension.value[x].code" />
      <constraint>
        <key value="tt-commtemplate-1" />
        <severity value="error" />
        <human value="The eventCode must be task-based" />
        <expression value="$this.exists() and ($this = 'afterTaskCompleted' or $this = 'afterTaskDue' or $this = 'beforeTaskDue')" />
      </constraint>
    </element>
    <element id="CommunicationRequest.occurrence[x].extension:dueDateTiming">
      <path value="CommunicationRequest.occurrence[x].extension" />
      <sliceName value="dueDateTiming" />
    </element>
    <element id="CommunicationRequest.occurrence[x].extension:dueDateTiming.extension:eventCode">
      <path value="CommunicationRequest.occurrence[x].extension.extension" />
      <sliceName value="eventCode" />
    </element>
    <element id="CommunicationRequest.occurrence[x].extension:dueDateTiming.extension:eventCode.value[x].code">
      <path value="CommunicationRequest.occurrence[x].extension.extension.value[x].code" />
      <constraint>
        <key value="tt-commtemplate-2" />
        <severity value="error" />
        <human value="The eventCode must be task-based" />
        <expression value="$this.exists() and ($this = 'afterTaskCompleted' or $this = 'afterTaskDue' or $this = 'beforeTaskDue')" />
      </constraint>
    </element>
  </differential>
</StructureDefinition>