<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/MyQuestionnaireResponse" />
  <name value="MyQuestionnaireResponse" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="QuestionnaireResponse" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse" />
  <derivation value="constraint" />
  <differential>
    <element id="QuestionnaireResponse.subject">
      <path value="QuestionnaireResponse.subject" />
      <type>
        <code value="Reference" />
        <aggregation value="contained" />
      </type>
    </element>
    <element id="QuestionnaireResponse.subject.identifier">
      <path value="QuestionnaireResponse.subject.identifier" />
      <min value="1" />
    </element>
    <element id="QuestionnaireResponse.item.answer.value[x]">
      <path value="QuestionnaireResponse.item.answer.value[x]" />
      <min value="1" />
      <type>
        <code value="Coding" />
      </type>
    </element>
  </differential>
</StructureDefinition>