# ColumnSortingMode

> Defines the sorting mode of a MultiColumnListView or MultiColumnTreeView.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEngine.UIElements](/engine/6000.0/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public enum ColumnSortingMode
```

## Fields

| Value                                                                                          | Description                                                                                                                                                                                                                                                                                                                          |
| ---------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| [Custom](/engine/6000.0/script-reference/unityengine/uielements/columnsortingmode/custom.md)   | Sorting is left to the user in the [MultiColumnListView.columnSortingChanged](/engine/6000.0/script-reference/unityengine/uielements/multicolumnlistview/columnsortingchanged.md) or [MultiColumnTreeView.columnSortingChanged](/engine/6000.0/script-reference/unityengine/uielements/multicolumntreeview/columnsortingchanged.md). |
| [Default](/engine/6000.0/script-reference/unityengine/uielements/columnsortingmode/default.md) | The default Unity sorting will be used. Define how to compare items in a column with [Column.comparison](/engine/6000.0/script-reference/unityengine/uielements/column/comparison.md).                                                                                                                                               |
| [None](/engine/6000.0/script-reference/unityengine/uielements/columnsortingmode/none.md)       | Sorting is disabled.                                                                                                                                                                                                                                                                                                                 |