API Reference > imodeljs-frontend > Tiles > TileRequestChannel > onActiveRequestCanceled onActiveRequestCanceled Method Invoked when a request that was previously dispatched is canceled before a response is received. Some channels accumulate such requests for later cancellation in TileRequestChannel.processCancellations. onActiveRequestCanceled(_request: TileRequest): void Parameter Type Description _request TileRequest Returns - void Defined in core/frontend/src/tile/TileRequestChannel.ts Line 246 Last Updated: 12 June, 2024