<status value="draft" /> <date value="2025-07-14" /> <description value="aadar based" /> <purpose value="Aadhar Integration" /> <copyright value="ABC company" /> <copyrightLabel value="company" /> <fhirVersion value="5.0.0" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Patient.identifier" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <max value="1" /> </element> <element id="Extension.extension:elem"> <path value="Extension.extension" /> <sliceName value="elem" /> </element> <element id="Extension.extension:elem.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:elem.url"> <path value="Extension.extension.url" /> <fixedUri value="elem" /> </element> <element id="Extension.extension:elem2"> <path value="Extension.extension" /> <sliceName value="elem2" /> </element> <element id="Extension.extension:elem2.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:elem2.url"> <path value="Extension.extension.url" /> <fixedUri value="elem2" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://example.org/fhir/StructureDefinition/AadharExtension" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <max value="0" /> </element> </differential> </StructureDefinition>