# TerrainCallbacks.TextureChangedCallback

> Use this delegate type with _textureChanged to monitor all the changes to Terrain textures.

## Definition

* **Type:** Delegate
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.TerrainModule

```csharp
public delegate void TerrainCallbacks.TextureChangedCallback(Terrain terrain, string textureName, RectInt texelRegion, bool synched)
```