{description: The type (by coding) of appointments that can be booked into the slot, package_name: hl7.fhir.r6.core, name: service-type, type: token, package_version: 6.0.0-ballot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/Slot-service-type', version: 6.0.0-ballot1}