API Reference > imodeljs-frontend > Views > Viewport > onFlashedIdChanged onFlashedIdChanged Readonly onFlashedIdChanged: BeEvent<(vp: Viewport, args: OnFlashedIdChangedEventArgs) => void> = ... Event dispatched immediately after Viewport.flashedId changes, supplying the Ids of the previousl-y and/or currently-flashed objects. note Attempting to assign to Viewport.flashedId from within the event callback will produce an exception. Defined in core/frontend/src/Viewport.ts Line 273 Last Updated: 11 June, 2024