<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="NCDEngagementObservation" />
  <url value="https://fhir.inso-world.com/ncd-prevention-games/StructureDefinition/NCDEngagementObservation" />
  <name value="NCDEngagementObservation" />
  <title value="NCD Engagement Observation" />
  <status value="draft" />
  <description value="The Observation resource for engagement data" />
  <fhirVersion value="5.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.basedOn">
      <path value="Observation.basedOn" />
      <max value="0" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.inso-world.com/ncd-prevention-games/CodeSystem/NCDGamedataCode" />
          <code value="engagement" />
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.inso-world.com/ncd-prevention-games/StructureDefinition/NCDPatient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.focus">
      <path value="Observation.focus" />
      <max value="0" />
    </element>
    <element id="Observation.encounter">
      <path value="Observation.encounter" />
      <max value="0" />
    </element>
    <element id="Observation.issued">
      <path value="Observation.issued" />
      <max value="0" />
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <max value="0" />
    </element>
    <element id="Observation.dataAbsentReason">
      <path value="Observation.dataAbsentReason" />
      <max value="0" />
    </element>
    <element id="Observation.interpretation">
      <path value="Observation.interpretation" />
      <max value="0" />
    </element>
    <element id="Observation.bodySite">
      <path value="Observation.bodySite" />
      <max value="0" />
    </element>
    <element id="Observation.method">
      <path value="Observation.method" />
      <max value="0" />
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <max value="0" />
    </element>
    <element id="Observation.referenceRange">
      <path value="Observation.referenceRange" />
      <max value="0" />
    </element>
    <element id="Observation.hasMember">
      <path value="Observation.hasMember" />
      <max value="0" />
    </element>
    <element id="Observation.derivedFrom">
      <path value="Observation.derivedFrom" />
      <max value="0" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <slicing>
        <discriminator>
          <type value="pattern" />
          <path value="code" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Observation.component:engagement">
      <path value="Observation.component" />
      <sliceName value="engagement" />
      <min value="1" />
      <max value="*" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:engagement.code">
      <path value="Observation.component.code" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:engagement.value[x]">
      <path value="Observation.component.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.component:engagement.value[x]:valueString">
      <path value="Observation.component.value[x]" />
      <sliceName value="valueString" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:engagement.dataAbsentReason">
      <path value="Observation.component.dataAbsentReason" />
      <max value="0" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:engagement.interpretation">
      <path value="Observation.component.interpretation" />
      <max value="0" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:engagement.referenceRange">
      <path value="Observation.component.referenceRange" />
      <max value="0" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>