{description: The specialty of a practitioner that would be required to perform the service requested in this appointment, package_name: hl7.fhir.r5.search, name: specialty, type: token, package_version: 5.0.0-draft-final, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/Appointment-specialty', version: 5.0.0-draft-final}