<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2021-02-18T10:41:07.895+00:00" />
  </meta>
  <url value="http://example.org/fhir/StructureDefinition/Allergy" />
  <name value="Allergy" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Allergy" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
  <derivation value="specialization" />
  <differential>
    <element id="Allergy">
      <path value="Allergy" />
      <short value="Lorem ipsum dolor" />
      <definition value="Lorem ipsum dolor" />
      <alias value="Allergy" />
    </element>
    <element id="Allergy.onsetDate">
      <path value="Allergy.onsetDate" />
      <max value="1" />
      <type>
        <code value="dateTime" />
      </type>
    </element>
  </differential>
</StructureDefinition>