# yii\debug\widgets

> 3 classes of the yii\debug\widgets namespace.

[API reference](/docs/api/index.md) › [Debug](/docs/extensions/debug/reference/index.md) › widgets

## Namespaces

| Namespace | Types |
| --- | --- |
| [`yii\debug\widgets\history`](/docs/extensions/debug/reference/widgets/history/index.md) | 2 |
| [`yii\debug\widgets\shell`](/docs/extensions/debug/reference/widgets/shell/index.md) | 1 |
| [`yii\debug\widgets\sidebar`](/docs/extensions/debug/reference/widgets/sidebar/index.md) | 1 |

## Classes

| Class | Summary |
| --- | --- |
| [`DebugDataColumn`](/docs/extensions/debug/reference/widgets/debugdatacolumn/index.md) final | Applies accessible defaults to debug GridView data columns. |
| [`FilterBanner`](/docs/extensions/debug/reference/widgets/filterbanner/index.md) | Renders the active-filter banner above a panel's GridView. |
| [`GridView`](/docs/extensions/debug/reference/widgets/gridview/index.md) final | Renders a debugger grid whose footer sentence comes from the shared [`GridCount`](https://github.com/php-forge/debug-core/blob/b70459f033a1d7a1c5edf7951029aad2061986dd/src/View/Grid/GridCount.php) renderer. |