<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/Model" />
  <name value="Model" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="logical" />
  <abstract value="false" />
  <type value="https://example.org/fhir/StructureDefinition/Model" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Element" />
  <derivation value="specialization" />
  <differential>
    <element id="Model">
      <path value="Model" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Element" />
      </type>
    </element>
    <element id="Model.List">
      <path value="Model.List" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/List" />
      </type>
    </element>
    <element id="Model.patient">
      <path value="Model.patient" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
      </type>
    </element>
  </differential>
</StructureDefinition>