description: A street address line is frequently used instead of breaking out building number, street name, street type, etc. An address generally has only a delivery address line or a street address line, but not both. package_name: rs/hl7.fhir.uv.extensions.r5 derivation: constraint name: ADXPStreetAddressLine type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetAddressLine'} type: uri index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 5.2.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetAddressLine base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0 required: [value, valueString]