# MultiColumnTreeView

> Initializes a MultiColumnTreeView with an empty header.

## Definition

* **Type:** Constructor
* **Namespace:** [UnityEngine.UIElements](/engine/6000.7/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

## MultiColumnTreeView()

Initializes a MultiColumnTreeView with an empty header.

```csharp
public MultiColumnTreeView()
```

## MultiColumnTreeView(Columns)

Initializes a MultiColumnTreeView with a list of column definitions.

```csharp
public MultiColumnTreeView(Columns columns)
```

### Parameters

**** (\[Columns]\(/engine/6000.7/script-reference/unityengine/uielements/columns)): Column definitions used to initialize the header.