<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/SpireCore-RelatedPerson" />
  <name value="SpireCoreRelatedPerson" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="RelatedPerson" />
  <baseDefinition value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-RelatedPerson" />
  <derivation value="constraint" />
  <differential>
    <element id="RelatedPerson.extension:noEmailReason">
      <path value="RelatedPerson.extension" />
      <sliceName value="noEmailReason" />
      <type>
        <code value="Extension" />
        <profile value="https://example.org/fhir/StructureDefinition/Extension-SpireCore-NoEmailReason" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="RelatedPerson.patient">
      <path value="RelatedPerson.patient" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://example.org/fhir/StructureDefinition/SpireCore-Patient" />
      </type>
    </element>
  </differential>
</StructureDefinition>