# SystemHandleUntyped

> Obsolete. Use SystemHandle instead.

## Definition

* **Type:** Struct
* **Namespace:** [Unity.Entities](/engine/7000.0/script-reference/unity/entities.md)
* **Assembly:** UnityEngine.EntitiesModule
* **Implements:** [IEquatable\<SystemHandleUntyped>](https://learn.microsoft.com/dotnet/api/system.iequatable-1), [IComparable\<SystemHandleUntyped>](https://learn.microsoft.com/dotnet/api/system.icomparable-1)

> **Warning:**
>
> **Removed.** This API has been removed and is no longer supported.
>
> **Upgrade to** [SystemHandle](/engine/7000.0/script-reference/unity/entities/systemhandle.md)

```csharp
public struct SystemHandleUntyped : IEquatable<SystemHandleUntyped>, IComparable<SystemHandleUntyped>
```