# OutermostRoot

> Use this mode to only unpack the outermost layer of a Prefab.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.5/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
OutermostRoot = 0
```

### Remarks

A Regular Prefab instance will turn into regular GameObject and any nesting will turn into new Prefab instances.

A Variant Prefab will turn into its base Prefab.

A Model Prefab will turn into regular GameObjects.