<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example2.org/fhir/StructureDefinition/MyExtension" />
  <name value="DateOfAcquisition" />
  <status value="draft" />
  <fhirVersion value="5.0.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://example2.org/fhir/StructureDefinition/MyExtension" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list). // Prietaiso įsigijimo data / Date of acquisition" />
      <type>
        <code value="date" />
      </type>
      <example>
        <label value="Date" />
        <valueDate value="1990-01-01" />
      </example>
    </element>
  </differential>
</StructureDefinition>