# CollapseRecursive

> Collapses the specified node and all its ancestors or descendants recursively.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Hierarchy](/engine/6000.6/script-reference/unity/hierarchy.md)
* **Assembly:** UnityEngine.HierarchyModule

## CollapseRecursive(HierarchyNode, HierarchyTraversalDirection)

Collapses the specified node and all its ancestors or descendants recursively.

```csharp
public void CollapseRecursive(in HierarchyNode node, HierarchyTraversalDirection direction = HierarchyTraversalDirection.Children)
```

### Parameters

**** (\[HierarchyNode]\(/engine/6000.6/script-reference/unity/hierarchy/hierarchynode)): The [HierarchyNode](/engine/6000.6/script-reference/unity/hierarchy/hierarchynode.md) to collapse.**** (\[HierarchyTraversalDirection]\(/engine/6000.6/script-reference/unity/hierarchy/hierarchytraversaldirection)): The direction of traversal.

## CollapseRecursive(ReadOnlySpan\<HierarchyNode>, HierarchyTraversalDirection)

Collapses the specified nodes and all their ancestors or descendants recursively.

```csharp
public void CollapseRecursive(ReadOnlySpan<HierarchyNode> nodes, HierarchyTraversalDirection direction = HierarchyTraversalDirection.Children)
```

### Parameters

**** (\[ReadOnlySpan\<HierarchyNode>]\(https\://learn.microsoft.com/dotnet/api/system.readonlyspan-1)): The [HierarchyNode](/engine/6000.6/script-reference/unity/hierarchy/hierarchynode.md)s to collapse.**** (\[HierarchyTraversalDirection]\(/engine/6000.6/script-reference/unity/hierarchy/hierarchytraversaldirection)): The direction of traversal.