description: Documents the 'knowledge artifacts' relevant to the base resource such as citations, supporting evidence, documentation of processes, caveats around testing methodology. package_name: hl7.fhir.uv.extensions derivation: constraint name: RelatedArtifact type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/workflow-relatedArtifact'} index: 1 value: choices: [valueRelatedArtifact] index: 3 valueRelatedArtifact: {type: RelatedArtifact, choiceOf: value, index: 4} package_version: 5.3.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/workflow-relatedArtifact base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot required: [valueRelatedArtifact, value]