# assemblyCompilationNotRequired

> An event that is invoked on the main thread when an assembly does not require compilation.

## Definition

* **Type:** Event
* **Namespace:** [UnityEditor.Compilation](/engine/6000.3/script-reference/unityeditor/compilation.md)
* **Assembly:** UnityEditor

```csharp
public static event Action<string> assemblyCompilationNotRequired
```