# MultiColumnTreeView.UxmlTraits

> Defines UxmlTraits for the MultiColumnTreeView.

## Definition

* **Type:** Class
* **Namespace:** [UnityEngine.UIElements](/engine/6000.3/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule
* **Inherits from:** [UxmlTraits](/engine/6000.3/script-reference/unityengine/uielements/basetreeview/uxmltraits.md)

> **Warning:**
>
> **Deprecated.** UxmlTraits is deprecated and will be removed. Use UxmlElementAttribute instead.

```csharp
public class MultiColumnTreeView.UxmlTraits : BaseTreeView.UxmlTraits
```

## Remarks

This class defines the MultiColumnTreeView element properties that you can use in a UI document asset (UXML file).

## Methods

| Method                                                                                                | Description                                                                                                                                                      |
| ----------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Init](/engine/6000.3/script-reference/unityengine/uielements/multicolumntreeview/uxmltraits/init.md) | Initializes [MultiColumnTreeView](/engine/6000.3/script-reference/unityengine/uielements/multicolumntreeview.md) properties using values from the attribute bag. |

## Inheritance

**Inherited Members:**

* [UxmlTraits.focusIndex](/engine/6000.3/script-reference/unityengine/uielements/visualelement/uxmltraits/focusindex.md)
* [UxmlTraits.focusable](/engine/6000.3/script-reference/unityengine/uielements/visualelement/uxmltraits/focusable.md)
* [BaseUxmlTraits.canHaveAnyAttribute](/engine/6000.3/script-reference/unityengine/uielements/baseuxmltraits/canhaveanyattribute.md)
* [BaseUxmlTraits.uxmlAttributesDescription](/engine/6000.3/script-reference/unityengine/uielements/baseuxmltraits/uxmlattributesdescription.md)