description: The artifact being compared to the referenced artifact. package_name: hl7.fhir.uv.ebm derivation: constraint name: ArtifactAssessmentCompared type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/ebm/StructureDefinition/artifact-assessment-compared'} index: 1 value: choices: [valueCanonical, valueUri, valueReference] index: 3 valueCanonical: {type: canonical, choiceOf: value, index: 4} valueUri: {type: uri, choiceOf: value, index: 5} valueReference: {type: Reference, choiceOf: value, index: 6} package_version: 1.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/uv/ebm/StructureDefinition/artifact-assessment-compared base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot