<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="2ea941e1-32cc-46d0-be0c-8642b8f66471" />
  <meta>
    <lastUpdated value="2022-01-25T20:02:12.050+00:00" />
  </meta>
  <url value="https://example.org/fhir/StructureDefinition/MyPatient" />
  <name value="MyPatient" />
  <status value="draft" />
  <date value="2022-01-25T19:25:48.5474688+00:00" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Patient" />
  <derivation value="constraint" />
  <differential>
    <element id="Patient.name.family.extension">
      <path value="Patient.name.family.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="0" />
    </element>
    <element id="Patient.name.family.extension:myExtension">
      <path value="Patient.name.family.extension" />
      <sliceName value="myExtension" />
      <min value="0" />
      <type>
        <code value="Extension" />
        <profile value="http://hl7.org/fhir/StructureDefinition/humanname-fathers-family" />
      </type>
    </element>
    <element id="Patient.telecom.system">
      <path value="Patient.telecom.system" />
      <min value="1" />
    </element>
    <element id="Patient.gender">
      <path value="Patient.gender" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>