# activeBuildTargetChanged

> Triggered in response to SwitchActiveBuildTarget.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.7/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

> **Warning:**
>
> **Deprecated.** UnityEditor.activeBuildTargetChanged has been deprecated.Use UnityEditor.Build.IActiveBuildTargetChanged instead.

```csharp
public static Action activeBuildTargetChanged
```

### Remarks

Additional Resources: System.Action.