# lightProbesUpdated

> Unity raises this event to indicate that the light probe structure (tetrahedralization) or values (spherical harmonics coefficients) have changed.

## Definition

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

```csharp
public static event Action lightProbesUpdated
```