API Reference > appui-react > Frontstage > StandardFrontstageProps > defaultTool defaultTool defaultTool: undefined | ToolItemDef The defaultTool is is started when then frontstage loads and whenever any other tools exit. Most of the time, this is the Element Selection Tool (CoreTools.selectElementCommand). Your app can specify its own tool or another core tool as default with this property. Defined in ui/appui-react/src/appui-react/frontstage/StandardFrontstageProvider.tsx Line 79 Last Updated: 20 May, 2022