<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Extension-eRS-HealthcareService-Contact" />
  <url value="https://fhir.nhs.uk/StructureDefinition/Extension-eRS-HealthcareService-Contact" />
  <version value="1.0.1" />
  <name value="ExtensioneRSHealthcareServiceContact" />
  <title value="Extension eRS HealthcareService Contact" />
  <status value="active" />
  <date value="2022-04-25" />
  <publisher value="NHS Digital" />
  <contact>
    <name value="Interoperability Team" />
    <telecom>
      <system value="email" />
      <value value="interoperabilityteam@nhs.net" />
      <use value="work" />
    </telecom>
  </contact>
  <description value="An extension to carry the contact details for an eRS health care service." />
  <purpose value="This extension extends the eRS HealthcareService profile to carry the contact for an eRS health care service." />
  <copyright value="Copyright © 2022 NHS Digital" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="HealthcareService" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="The contact for an eRS HealthcareService" />
      <definition value="The contact for an eRS HealthcareService." />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="2" />
    </element>
    <element id="Extension.extension:purpose">
      <path value="Extension.extension" />
      <sliceName value="purpose" />
      <min value="1" />
      <max value="1" />
      <binding>
        <strength value="extensible" />
        <valueSet value="https://fhir.nhs.uk/ValueSet/eRS-Purpose" />
      </binding>
    </element>
    <element id="Extension.extension:purpose.url">
      <path value="Extension.extension.url" />
      <fixedUri value="purpose" />
    </element>
    <element id="Extension.extension:purpose.value[x]">
      <path value="Extension.extension.value[x]" />
      <short value="The purpose for which you would contact a contact party" />
      <definition value="The purpose for which you would contact a contact party." />
      <min value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <description value="The purpose for which you would contact a contact party" />
        <valueSet value="https://fhir.nhs.uk/ValueSet/eRS-Purpose" />
      </binding>
    </element>
    <element id="Extension.extension:purpose.value[x].coding.system">
      <path value="Extension.extension.value[x].coding.system" />
      <min value="1" />
    </element>
    <element id="Extension.extension:telecom">
      <path value="Extension.extension" />
      <sliceName value="telecom" />
      <short value="The contact point details" />
      <definition value="The contact point details." />
      <min value="1" />
    </element>
    <element id="Extension.extension:telecom.url">
      <path value="Extension.extension.url" />
      <fixedUri value="telecom" />
    </element>
    <element id="Extension.extension:telecom.value[x]">
      <path value="Extension.extension.value[x]" />
      <short value="The actual contact point details" />
      <definition value="The actual contact point details." />
      <min value="1" />
      <type>
        <code value="ContactPoint" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://fhir.nhs.uk/StructureDefinition/Extension-eRS-HealthcareService-Contact" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>