# userData

> Serialized field that holds an integer value that can be used as a handle to access any non-serialized user data.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor.IMGUI.Controls](/engine/6000.7/script-reference/unityeditor/imgui/controls.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public int userData
```