# atlasRegistered

> Trigger when a SpriteAtlas is registered via invoking the callback in SpriteAtlasManager.atlasRequested.

## Definition

* **Type:** Event
* **Namespace:** [UnityEngine.U2D](/engine/6000.0/script-reference/unityengine/u2d.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public static event Action<SpriteAtlas> atlasRegistered
```

### Remarks

```csharp
using UnityEngine;
using UnityEngine.U2D;

public class AtlasRegistrationListener : MonoBehaviour
{
    void OnEnable()
    {
        SpriteAtlasManager.atlasRegistered += AtlasRegistered;
    }

    void OnDisable()
    {
        SpriteAtlasManager.atlasRegistered -= AtlasRegistered;
    }

    void AtlasRegistered(SpriteAtlas spriteAtlas)
    {
        Debug.LogFormat("Registered {0}.", spriteAtlas.name);
    }
}
```

Additional Resources: [SpriteAtlasManager.atlasRegistered](/engine/6000.0/script-reference/unityengine/u2d/spriteatlasmanager/atlasregistered.md).