API Reference > imodeljs-clients > iModelHubClient > BaseEventSAS BaseEventSAS Class Base class for event shared access signatures. Extends WsgInstance Extended by EventSAS 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 ECInstance eTag undefined | string WsgInstance wsgId string WsgInstance Defined in core/clients/src/imodelhub/EventsBase.ts Line 18 Last Updated: 13 June, 2024