{description: An identifier assigned to a particular service or series of services to enabling linking., package_name: hl7.fhir.us.davinci-pct, name: PacketLinkingIdentifier, type: token, package_version: 2.0.0, class: unknown, kind: null, url: 'http://hl7.org/fhir/us/davinci-pct/SearchParameter/packet-linking-identifier', version: 2.0.0}