API Reference > imodelhub-client > iModelHubClient > BaseEventSAS BaseEventSAS Class Base class for event shared access signatures. Extends WsgInstance Extended by EventSAS Methods Name Description constructor(): BaseEventSAS Properties Name Type Description baseAddress undefined | string Base address for event requests. sasToken undefined | string SAS token used to authenticate for event requests. Inherited properties Name Type Inherited from Description changeState undefined | ChangeState WsgInstance ecId string WsgInstance eTag undefined | string WsgInstance wsgId string WsgInstance Defined in clients/imodelhub/src/imodelhub/EventsBase.ts Line 19 Last Updated: 29 November, 2022