<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="bb118a37-fef2-4247-bb02-548369f65c98" />
  <meta>
    <lastUpdated value="2020-10-08T14:20:18.805+00:00" />
  </meta>
  <url value="https://fhir.cambio.se/StructureDefinition/appointment-message" />
  <name value="appointment-message" />
  <status value="draft" />
  <date value="2020-09-10T09:10:04.6854728+00:00" />
  <description value="This extension can be used for free text messages given when rebooking och cancelling an appointment." />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Appointment" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <snapshot />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Comment on why the appointment has been changed" />
      <definition value="Message from participant when cancelling or rebooking the appointment." />
      <comment value="This will be a free text comment corresponding to the comment field available when cancelling an appointment in COSMIC." />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://fhir.cambio.se/StructureDefinition/appointment-message" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <type>
        <code value="string" />
      </type>
    </element>
  </differential>
</StructureDefinition>