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[Home](./index.md) &gt; [server](./server.md) &gt; [BaseColliderOptions](./server.basecollideroptions.md) &gt; [frictionCombineRule](./server.basecollideroptions.frictioncombinerule.md)

## BaseColliderOptions.frictionCombineRule property

The friction combine rule of the collider.

**Signature:**

```typescript
frictionCombineRule?: CoefficientCombineRule;
```