description: HL7® Austria FHIR® Core Extension for the additional information part of the Austrian address. package_name: hl7.at.fhir.gkl.ig-tooling derivation: constraint name: AddressAdditionalInformation type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://gabriel0316.github.io/ig-tooling-pages/ig/ig-tooling-test/StructureDefinition/at-core-ext-address-additionalInformation'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 0.5.3 extensions: {} class: extension kind: complex-type url: https://gabriel0316.github.io/ig-tooling-pages/ig/ig-tooling-test/StructureDefinition/at-core-ext-address-additionalInformation base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.5.3 required: [valueString, value]