# HierarchyCommandList(Hierarchy, int)

> Constructs a new HierarchyCommandList.

## Definition

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

```csharp
public HierarchyCommandList(Hierarchy hierarchy, int initialCapacity = 65536)
```

### Parameters

**** (\[Hierarchy]\(/engine/6000.7/script-reference/unity/hierarchy/hierarchy)): The hierarchy.**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The initial required capacity in bytes.