API Reference > imodeljs-frontend > Tools > ToolAdmin > startDefaultTool startDefaultTool Method Starts the default Tool, if any. Generally invoked automatically when other tools exit, so shouldn't be called directly. startDefaultTool(): void note The default tool is expected to be a subclass of PrimitiveTool. A call to startDefaultTool is required to terminate an active ViewTool or InputCollector and replace or clear the current PrimitiveTool. The tool's Tool.run method is invoked with arguments specified by ToolAdmin.defaultToolArgs. see ToolAdmin.defaultToolId to configure the default tool. Returns - void Defined in core/frontend/src/tools/ToolAdmin.ts Line 1594 Last Updated: 12 June, 2024