API Reference > imodeljs-frontend > Tools > ToolAdmin > exceptionHandler exceptionHandler MethodStatic A function that catches otherwise-uncaught exceptions occurring inside ToolAdmin.eventLoop. To customize the behavior of this function, modify ToolAdmin.exceptionOptions. To replace it within your own handler, simply assign to it, e.g.: ToolAdmin.exceptionHandler = (exception: any): Promise<any> => { ... your implementation here } exceptionHandler(exception: any): Promise<any> Parameter Type Description exception any Returns - Promise<any> Defined in core/frontend/src/tools/ToolAdmin.ts Line 376 Last Updated: 12 June, 2024