# Capacity

> The number of elements that can be contained in the HierarchyNodeMapUnmanaged<T> without resizing.

## Definition

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

```csharp
public int Capacity { get; set; }
```