description: This carries an address identifier which will be included in an address. package_name: fhir.r4.ukcore.stu3.currentbuild derivation: constraint name: ExtensionUKCoreAddressKey type: Extension elements: extension: index: 0 slicing: rules: open discriminator: - {path: url, type: value} min: null slices: type: match: {url: type} schema: short: Address Key Type _required: true index: 1 elements: url: pattern: {type: uri, value: type} type: uri index: 2 value: short: Address Key Type choices: [valueCoding] index: 4 valueCoding: {type: Coding, short: Address Key Type, choiceOf: value, index: 5} required: [value, valueCoding] value: match: {url: value} schema: short: Address key value _required: true index: 6 elements: url: pattern: {type: uri, value: value} type: uri index: 7 value: short: Address key value choices: [valueString] index: 9 valueString: {type: string, short: Address key value, choiceOf: value, index: 10} required: [value, valueString] url: pattern: {type: uri, value: 'https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-AddressKey'} type: uri index: 11 value: choices: [] index: 13 package_version: 0.0.6-pre-release extensions: type: url: type short: Address Key Type _required: true index: 1 elements: url: pattern: {type: uri, value: type} type: uri index: 2 value: short: Address Key Type choices: [valueCoding] index: 4 valueCoding: {type: Coding, short: Address Key Type, choiceOf: value, index: 5} required: [value, valueCoding] value: url: value short: Address key value _required: true index: 6 elements: url: pattern: {type: uri, value: value} type: uri index: 7 value: short: Address key value choices: [valueString] index: 9 valueString: {type: string, short: Address key value, choiceOf: value, index: 10} required: [value, valueString] class: extension kind: complex-type url: https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-AddressKey base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.1.0