# penumbraWidthRadian

> The penumbra width for soft shadows in radians.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Experimental.GlobalIllumination](/engine/6000.3/script-reference/unityengine/experimental/globalillumination.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public float penumbraWidthRadian
```