{description: Medication(s) or substance(s) contained in the medication, package_name: hl7.fhir.r4.examples, name: ingredient-code, type: token, package_version: 4.0.1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/MedicationKnowledge-ingredient-code', version: 4.0.1}