# displayFocusChanged

> Event sent when XR display focus changes.

## Definition

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

```csharp
public event Action<bool> displayFocusChanged
```

### Remarks

This event is sent on the main thread.

### Examples

```csharp
using UnityEngine;
using UnityEngine.XR;

public class ExampleClass : MonoBehaviour
{
    public XRDisplaySubsystem display;

    void OnEnable()
    {
        display.displayFocusChanged += HandleFocusChanged;
    }

    void OnDisable()
    {
        display.displayFocusChanged -= HandleFocusChanged;
    }

    void HandleFocusChanged(bool focus)
    {
    }
}
```