description: This cross-version extension represents DeviceDefinition.conformsTo.source from http://hl7.org/fhir/StructureDefinition/DeviceDefinition|5.0.0 for use in FHIR R4. package_name: hl7.fhir.uv.xver derivation: constraint name: ext_R5_DeviceDefinition_co_source type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Standard, regulation, certification, or guidance website, document, or other publication, or similar, supporting the conformance choices: [valueRelatedArtifact] index: 1 valueRelatedArtifact: base: {path: 'Extension.value[x]'} type: RelatedArtifact short: Standard, regulation, certification, or guidance website, document, or other publication, or similar, supporting the conformance choiceOf: value index: 2 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceDefinition.conformsTo.source'} index: 3 package_version: r5.r4-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceDefinition.conformsTo.source base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]