[Home](./index.md) > [server](./server.md) > [Collider](./server.collider.md) > [addToSimulation](./server.collider.addtosimulation.md) ## Collider.addToSimulation() method Adds the collider to the simulation. **Signature:** ```typescript addToSimulation(simulation: Simulation, parentRigidBody?: RigidBody): void; ``` ## Parameters

Parameter	Type	Description
simulation	[Simulation](./server.simulation.md)	The simulation to add the collider to.
parentRigidBody	[RigidBody](./server.rigidbody.md)	_(Optional)_ The parent rigid body of the collider.

**Returns:** void