description: This extension applies to the Address data type and is used to represent an identifier for an address. package_name: at.unofficial.au.base derivation: constraint name: AddressIdentifier type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org.au/fhir/StructureDefinition/address-identifier'} index: 0 value: short: Address identifier choices: [valueIdentifier] index: 2 valueIdentifier: {type: Identifier, short: Address identifier, choiceOf: value, index: 3} package_version: 2.2.0-ballot2 class: extension kind: complex-type url: http://hl7.org.au/fhir/StructureDefinition/address-identifier base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.2.0 required: [valueIdentifier, value]