{description: Reason why the vaccine was administered, package_name: hl7.fhir.r5.examples, name: reason-code, type: token, package_version: 5.0.0-snapshot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/Immunization-reason-code', version: 5.0.0-snapshot1}