<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/DeviceMetricReference" />
  <name value="DeviceMetricReference" />
  <status value="draft" />
  <date value="2022-09-16T13:41:02.003732+00:00" />
  <description value="Adds references to metrics of a device" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="DeviceDefinition" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Device Metric Reference" />
      <definition value="References a device metric that can be measured by the device." />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://example.org/fhir/StructureDefinition/DeviceMetricReference" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/DeviceMetric" />
      </type>
    </element>
  </differential>
</StructureDefinition>