{description: Returns dispenses prepared on this date, package_name: hl7.fhir.r6.search, name: whenprepared, type: date, package_version: 6.0.0-ballot2, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/MedicationDispense-whenprepared', version: 6.0.0-ballot2}