# activeQualityLevelChanged

> Delegate that you can use to invoke custom code when Unity changes the current Quality Level.

## Definition

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

```csharp
public static event Action<int, int> activeQualityLevelChanged
```

### Remarks

Parameters are the previous Quality Level and the new Quality Level.

### Examples

```csharp
using UnityEngine;

public class ExampleClass : MonoBehaviour
{
    void Start()
    {
        QualitySettings.activeQualityLevelChanged += QualitySettings_activeQualityLevelChanged;
    }

    private void QualitySettings_activeQualityLevelChanged(int previousQuality, int currentQuality)
    {
        // Put the code that you want to execute everytime the Quality used is changed
        Debug.Log($"Quality Level has been changed from {QualitySettings.names[previousQuality]} to {QualitySettings.names[currentQuality]}");
    }

    void OnDestroy()
    {
        QualitySettings.activeQualityLevelChanged -= QualitySettings_activeQualityLevelChanged;
    }
}
```