<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://fhir.smokefree.de/Observation.StructureDefinition" />
  <name value="Observation" />
  <id value="observation" />
  <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.implicitRules">
      <path value="Observation.implicitRules" />
      <max value="0" />
    </element>
    <element id="Observation.language">
      <path value="Observation.language" />
      <max value="0" />
    </element>
    <element id="Observation.contained">
      <path value="Observation.contained" />
      <max value="0" />
    </element>
    <element id="Observation.extension">
      <path value="Observation.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="0" />
    </element>
    <element id="Observation.extension:Environment">
      <path value="Observation.extension" />
      <sliceName value="Environment" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.smokefree.de/Environment.StructureDefinition" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.extension:Feelings">
      <path value="Observation.extension" />
      <sliceName value="Feelings" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.smokefree.de/Feelings.StructureDefinition" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.extension:NrtSpend">
      <path value="Observation.extension" />
      <sliceName value="NrtSpend" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.smokefree.de/NrtSpend.StructureDefinition" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.extension:NrtUsage">
      <path value="Observation.extension" />
      <sliceName value="NrtUsage" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.smokefree.de/NrtUsage.StructureDefinition" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.extension:Severity">
      <path value="Observation.extension" />
      <sliceName value="Severity" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.smokefree.de/Severity.StructureDefinition" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.extension:SomeoneSmoked">
      <path value="Observation.extension" />
      <sliceName value="SomeoneSmoked" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.smokefree.de/SomeoneSmoked.StructureDefinition" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.extension:VapeSpend">
      <path value="Observation.extension" />
      <sliceName value="VapeSpend" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.smokefree.de/VapeSpend.StructureDefinition" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.basedOn">
      <path value="Observation.basedOn" />
      <max value="0" />
    </element>
    <element id="Observation.partOf">
      <path value="Observation.partOf" />
      <max value="0" />
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <max value="0" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://fhir.smokefree.de/Patient.StructureDefinition" />
      </type>
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <min value="1" />
      <type>
        <code value="dateTime" />
      </type>
    </element>
    <element id="Observation.issued">
      <path value="Observation.issued" />
      <min value="1" />
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://fhir.smokefree.de/Patient.StructureDefinition" />
      </type>
    </element>
    <element id="Observation.value[x].extension">
      <path value="Observation.value[x].extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Observation.value[x].extension:smokingStatus">
      <path value="Observation.value[x].extension" />
      <sliceName value="smokingStatus" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.smokefree.de/SmokingStatus" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Observation.dataAbsentReason">
      <path value="Observation.dataAbsentReason" />
      <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.device">
      <path value="Observation.device" />
      <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" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://smokefree.de/Patient.StructureDefinition" />
      </type>
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <max value="0" />
    </element>
    <element id="Observation.component.referenceRange">
      <path value="Observation.component.referenceRange" />
      <contentReference value="http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" />
    </element>
  </differential>
</StructureDefinition>