<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://capable-project.eu/data/fhir/StructureDefinition/Quantity_Profile" />
  <version value="v0" />
  <name value="Quantity_Profile" />
  <status value="draft" />
  <date value="2021-03-08" />
  <publisher value="Capable team" />
  <description value="First attempt to profile the Quantity datatype of the attribute &quot;valueQuantity&quot; of the Observation resources" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Quantity" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Quantity" />
  <derivation value="constraint" />
  <differential>
    <element id="Quantity.value">
      <path value="Quantity.value" />
      <min value="1" />
    </element>
    <element id="Quantity.comparator">
      <path value="Quantity.comparator" />
    </element>
    <element id="Quantity.system">
      <path value="Quantity.system" />
      <fixedUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Quantity.code">
      <path value="Quantity.code" />
      <binding>
        <strength value="preferred" />
        <valueSet value="http://capable-project.eu/data/fhir/ValueSet/units-of-measure" />
      </binding>
    </element>
  </differential>
</StructureDefinition>