<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="143e5148-9750-4d94-93ce-dccd8214a4ac" />
  <meta>
    <lastUpdated value="2019-01-10T11:37:26.224+00:00" />
  </meta>
  <url value="http://example.org/fhir/StructureDefinition/FUTPatient" />
  <name value="FUTPatient" />
  <status value="draft" />
  <date value="2019-01-10T11:37:26.128493+00:00" />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Patient" />
  <derivation value="constraint" />
  <differential>
    <element id="Patient.extension">
      <path value="Patient.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Patient.extension:petNameExtension">
      <path value="Patient.extension" />
      <sliceName value="petNameExtension" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://example.org/fhir/StructureDefinition/PetName" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Patient.animal">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">
        <valueString value="Animal" />
      </extension>
      <path value="Patient.animal" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>