# Unmanaged

> Gives access to the unmanaged data of an instance of the World. This is useful when your code needs to run with Burst.

## Definition

* **Type:** Property
* **Namespace:** [Unity.Entities](/engine/7000.0/script-reference/unity/entities.md)
* **Assembly:** UnityEngine.EntitiesModule

```csharp
public WorldUnmanaged Unmanaged { get; }
```