API Reference > imodeljs-frontend > Tools > InteractiveTool > onDataButtonDown onDataButtonDown Method Invoked when the data button is pressed. onDataButtonDown(_ev: BeButtonEvent): Promise<EventHandled> Parameter Type Description _ev BeButtonEvent Returns - Promise<EventHandled> No by default. Sub-classes may ascribe special meaning to this status. Defined in core/frontend/src/tools/Tool.ts Line 517 Last Updated: 29 November, 2022