{description: '[Evidence](evidence.html): External identifier for the evidence\r\n', package_name: hl7.fhir.r5.search, name: identifier, type: token, package_version: 5.0.0-draft-final, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/CanonicalResource-identifier', version: 5.0.0-draft-final}