# surfaceMaterial

> The surface material for the shape comprising of many properties such as friction, bounciness, rolling resistance etc. Setting the surface material overrides any individual settings for friction, bounciness, rolling resistance etc.

## Definition

* **Type:** Property
* **Namespace:** [Unity.U2D.Physics](/engine/6000.7/script-reference/unity/u2d/physics.md)
* **Assembly:** UnityEngine.PhysicsCore2DModule

```csharp
public PhysicsShape.SurfaceMaterial surfaceMaterial { get; set; }
```