# Reserve(int)

> Reserve enough memory to contain the specified number of elements.

## Definition

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

```csharp
public void Reserve(int capacity)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The requested capacity.