# RegisterSpriteChangeCallback(UnityAction<SpriteRenderer>)

> Registers a callback to receive a notification when the SpriteRenderer's Sprite reference changes.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public void RegisterSpriteChangeCallback(UnityAction<SpriteRenderer> callback)
```

### Parameters

**** (\[UnityAction\<SpriteRenderer>]\(/engine/6000.0/script-reference/unityengine/events/unityaction)): The callback to invoke when the SpriteRenderer's Sprite reference changes.