http://hl7.org/fhir/StructureDefinition/artifact-reference|5.2.0
A reference to a resource, canonical resource, or non-FHIR resource.
description: A reference to a resource, canonical resource, or non-FHIR resource. derivation: constraint name: ArtifactReference type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/artifact-reference'} index: 0 value: choices: [] index: 2 class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/artifact-reference base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0 required: [value]