description: URL for additional information regarding appointment package_name: hl7.fhir.fi.scheduling derivation: constraint name: AdditionalInformationURL type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://hl7.fi/fhir/finnish-scheduling/StructureDefinition/additional-information-url'} index: 1 value: choices: [valueUrl] index: 3 valueUrl: {type: url, choiceOf: value, index: 4} package_version: 2.0.0-rc2 extensions: {} class: extension kind: complex-type url: https://hl7.fi/fhir/finnish-scheduling/StructureDefinition/additional-information-url base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0-rc2