# heightmapChanged

> This event is triggered after there are changes to Terrain height data.

## Definition

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

```csharp
public static event TerrainCallbacks.HeightmapChangedCallback heightmapChanged
```

### Remarks

The `synched` parameter indicates whether the changes were fully synchronized back to CPU memory.

Additional Resources: [TerrainCallbacks.HeightmapChangedCallback](/engine/6000.7/script-reference/unityengine/terraincallbacks/heightmapchangedcallback.md)