# tilemapPositionsChanged

> Callback when Tiles on a Tilemap have changed.

## Definition

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

```csharp
[NoAutoStaticsCleanup]
public static event Action<Tilemap, NativeArray<Vector3Int>> tilemapPositionsChanged
```

### Remarks

This returns the list of positions on the Tilemap which have been updated.