# selfCollisionStiffness

> Self-collision stiffness defines how strong the separating impulse should be for colliding particles.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.ClothModule

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