# SetState(HierarchyViewState)

> Updates the HierarchyView with a new HierarchyViewState.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Hierarchy](/engine/6000.7/script-reference/unity/hierarchy.md)
* **Assembly:** UnityEngine.HierarchyModule

```csharp
public void SetState(HierarchyViewState viewState)
```

### Parameters

**** (\[HierarchyViewState]\(/engine/6000.7/script-reference/unity/hierarchy/hierarchyviewstate)): The [HierarchyViewState](/engine/6000.7/script-reference/unity/hierarchy/hierarchyviewstate.md) to apply.