# Collapse

> Collapses the specified node.

## Definition

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

## Collapse(HierarchyNode)

Collapses the specified node.

```csharp
public void Collapse(in HierarchyNode node)
```

### Parameters

**** (\[HierarchyNode]\(/engine/6000.7/script-reference/unity/hierarchy/hierarchynode)): The [HierarchyNode](/engine/6000.7/script-reference/unity/hierarchy/hierarchynode.md) to collapse.

## Collapse(ReadOnlySpan\<HierarchyNode>)

Collapses the specified nodes.

```csharp
public void Collapse(ReadOnlySpan<HierarchyNode> nodes)
```

### Parameters

**** (\[ReadOnlySpan\<HierarchyNode>]\(https\://learn.microsoft.com/dotnet/api/system.readonlyspan-1)): The [HierarchyNode](/engine/6000.7/script-reference/unity/hierarchy/hierarchynode.md)s to collapse.