description: A short string (<50 characters), suitable for inclusion in a page footer that identifies the copyright holder, effective period, and optionally whether rights are resctricted. (e.g. 'All rights reserved', 'Some rights reserved'). package_name: hl7.fhir.uv.extensions derivation: constraint name: ArtifactCopyrightLabel type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/artifact-copyrightLabel'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 5.2.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/artifact-copyrightLabel base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0-ballot required: [valueString, value]