<status value="active" /> <experimental value="false" /> <description value="A reference to a Group where a reference to a Patient would normally be required" /> <fhirVersion value="5.0.0" /> <mapping> <identity value="BPCS" /> <name value="Internal BPCS API" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <type value="Reference" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Reference" /> <derivation value="constraint" /> <differential> <element id="Reference.extension"> <path value="Reference.extension" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="Reference.extension:family"> <path value="Reference.extension" /> <sliceName value="family" /> <min value="1" /> <type> <code value="Extension" /> <profile value="https://bpcs.exchange/fhir/StructureDefinition/ext-Resource-Subject" /> </type> <mustSupport value="true" /> </element> <element id="Reference.reference"> <path value="Reference.reference" /> <max value="0" /> <mapping> <identity value="BPCS" /> <map value="BatchRecordDTO.odbNum" /> </mapping> </element> <element id="Reference.display"> <path value="Reference.display" /> <comment value="This conveys the id of the group being referenced to satisfy best-practice" /> <min value="1" /> <mustSupport value="true" /> </element> </differential> </StructureDefinition>