description: HL7® Austria FHIR® Core Extension for the municipality code part of the Austrian address package_name: hl7.at.fhir.core.r4 derivation: constraint name: AddressMunicipalityCode type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.at/fhir/HL7ATCoreProfiles/4.0.1/StructureDefinition/at-core-ext-address-municipalityCode'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 2.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.at/fhir/HL7ATCoreProfiles/4.0.1/StructureDefinition/at-core-ext-address-municipalityCode base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0 required: [valueString, value]