description: This extension applies to the Address data type and is used to represent an identifier for an address. package_name: hl7.fhir.au.base derivation: constraint name: AddressIdentifier type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org.au/fhir/StructureDefinition/address-identifier'} index: 0 valueIdentifier: type: Identifier short: Address identifier index: 1 slicing: slices: valueIdentifier: match: {} schema: {type: Identifier, short: Address identifier, _required: true, index: 1} min: 1 package_version: 2.2.0-ballot 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]