# Vector3.WithFriction

```csharp
Vector3 WithFriction(float frictionAmount, float stopSpeed = 140)
```

Apply an amount of friction to the current velocity.

### Parameters

- `frictionAmount` (`float`)
- `stopSpeed` (`float`), default `140`

### Returns

`Vector3`

Declared in [Vector3](/api/Vector3).
Assembly: `Sandbox.System`.