API Reference > imodeljs-frontend > Tools > InteractiveTool > beginDynamics beginDynamics Method Call to initialize dynamics mode. While dynamics are active onDynamicFrame will be called. Dynamics are typically only used by a PrimitiveTool that creates or modifies geometric elements. beginDynamics(): void Returns - void Defined in core/frontend/src/tools/Tool.ts Line 620 Last Updated: 12 June, 2024