[Home](./index.md) > [server](./server.md) > [Collider](./server.collider.md) > [frictionCombineRule](./server.collider.frictioncombinerule.md) ## Collider.frictionCombineRule property The friction combine rule of the collider. **Signature:** ```typescript get frictionCombineRule(): CoefficientCombineRule; ```