# CategoryUIToolkit

> UI Toolkit Profiler category.

## Definition

* **Type:** Field
* **Namespace:** [Unity.Profiling.LowLevel.Unsafe](/engine/6000.7/script-reference/unity/profiling/lowlevel/unsafe.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public const ushort CategoryUIToolkit = 40
```