# friction

> The Coulomb (dry) friction coefficient, usually in the range [0, 1]. This is assigned to the current PhysicsShape.surfaceMaterial.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.LowLevelPhysics2D](/engine/6000.3/script-reference/unityengine/lowlevelphysics2d.md)
* **Assembly:** UnityEngine.Physics2DModule

```csharp
public float friction { get; set; }
```