<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="NhiAddress" />
  <url value="http://hl7.org.nz/fhir/StructureDefinition/NhiAddress" />
  <name value="NhiAddress" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Address" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Address" />
  <derivation value="constraint" />
  <differential>
    <element id="Address.extension">
      <path value="Address.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="0" />
    </element>
    <element id="Address.extension:esam-id">
      <path value="Address.extension" />
      <sliceName value="esam-id" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://hl7.org.nz/fhir/StructureDefinition/esam-id" />
      </type>
    </element>
  </differential>
</StructureDefinition>