description: Points to the Observation, AllergyIntolerance or other record that provides additional supporting information about this flag. package_name: hl7.fhir.core derivation: constraint name: detail type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/flag-detail'} index: 1 valueReference: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/Resource'] index: 2 package_version: 3.2.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/flag-detail base: http://hl7.org/fhir/StructureDefinition/Extension version: null