<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ObservationMeasureActivityProfile" />
  <url value="https://Novoheal.my/fhir/StructureDefinition/ObservationMeasureActivityProfile" />
  <name value="ObservationMeasureActivityProfile" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.extension:measureActivityTakenStatus">
      <path value="Observation.extension" />
      <sliceName value="measureActivityTakenStatus" />
      <type>
        <code value="Extension" />
        <profile value="https://novoheal.my/fhir/StructureDefinition/MeasureActivityTakenStatus" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <short value="vital-signs | laboratory | activity" />
      <definition value="A code that classifies the general type of observation being made. For now, only use 'vital-signs,' , 'laboratory,' and 'activity'" />
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <max value="0" />
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <max value="0" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <label value="Value1" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="$this" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.component:SubComponent1">
      <path value="Observation.component" />
      <sliceName value="SubComponent1" />
      <short value="First sub component result" />
      <definition value="Some observations have multiple component observations. These component observations are expressed as separate code-value pairs that share the same attributes. For observations such as vital signs and activities consisting of a single value, store them in SubComponent1." />
      <max value="1" />
    </element>
    <element id="Observation.component:SubComponent2">
      <path value="Observation.component" />
      <sliceName value="SubComponent2" />
      <short value="Second sub component result" />
      <max value="1" />
    </element>
  </differential>
</StructureDefinition>