description: The base name of a roadway or artery recognized by a municipality (excluding street type and direction). package_name: rs/hl7.fhir.core derivation: constraint name: streetNameBase type: null elements: extension: {name: extension, index: 0} url: type: uri pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetNameBase'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 1.4.0 extensions: {} class: datatype kind: datatype url: http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetNameBase base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [value, valueString]