API Reference > imodeljs-clients > iModelHubClient > ChangeSetPrePushEvent ChangeSetPrePushEvent Class Beta Sent when a ChangeSet push has started. See ChangeSetHandler.create. ChangeSetPrePushEvent indicates that iModelHub allowed one of the Briefcases to push a ChangeSet and all other push attempts will fail, until this push times out or succeeds. See ChangeSetPostPushEvent for an event indicating a successful push. Extends IModelHubEvent Inherited methods Name Inherited from Description delete(requestContext: AuthorizedClientRequestContext): Promise<boolean> IModelHubBaseEvent Remove a single event from queue. Inherited properties Name Type Inherited from Description eventTopic undefined | string IModelHubBaseEvent Topic of this event. fromEventSubscriptionId undefined | string IModelHubBaseEvent User that has sent this event. iModelId undefined | GuidString IModelHubEvent Id of the iModel where the event occured. toEventSubscriptionId undefined | string IModelHubBaseEvent User that is intended recipient of this event. Defined in core/clients/src/imodelhub/Events.ts Line 144 Last Updated: 13 June, 2024