# debuggerAttached

> This event triggers whenever managed debugger is attached or detached.

## Definition

* **Type:** Event
* **Namespace:** [UnityEditor.Scripting](/engine/7000.0/script-reference/unityeditor/scripting.md)
* **Assembly:** UnityEditor.CoreModule

> **Warning:**
>
> **Deprecated.** ManagedDebugger.debuggerAttached is deprecated for CoreCLR. It is never invoked on CoreCLR.

```csharp
public static event Action<bool> debuggerAttached
```