{description: This parameter specifies unique identifier for the object. The parameter value should be identified in accordance to the entity type., package_name: ch.fhir.ig.ch-atc, name: SPEntityIdentifier, type: token, package_version: 3.3.0-ballot, class: unknown, kind: null, url: 'http://fhir.ch/ig/ch-atc/SearchParameter/AuditEvent-entity-identifier', version: 3.3.0-ballot}