---
title: IVisualizerPanelElement
product: Dashboard
api-type: interface
description: An interface that describes a visualization item (chart, gauge, etc.).
source: https://surveyjs.io/dashboard/documentation/api-reference/ivisualizerpanelelement
---

# `IVisualizerPanelElement`

An interface that describes a visualization item (chart, gauge, etc.).

To access `IVisualizerPanelElement` objects, you can use the following properties and methods of `VisualizationPanel`:

- [`getElements()`](https://surveyjs.io/dashboard/documentation/api-reference/visualizationpanel#getElements)
- [`visibleElements`](https://surveyjs.io/dashboard/documentation/api-reference/visualizationpanel#visibleElements)
- [`hiddenElements`](https://surveyjs.io/dashboard/documentation/api-reference/visualizationpanel#hiddenElements)

## Properties

### `answersOrder`

**Type**: `string`

Indicates the answer order in [bar charts](https://surveyjs.io/dashboard/documentation/chart-types#bar-chart), [histograms](https://surveyjs.io/dashboard/documentation/chart-types#histogram), and [statistics tables](https://surveyjs.io/dashboard/documentation/chart-types#statistics-table).

Possible values:

- `"default"` - Answers retain the initial sort order.
- `"asc"` - Answers are sorted by ascending answer count.
- `"desc"` - Answers are sorted by descending answer count.

### `chartType`

**Type**: `string`

Indicates the selected chart type.

Possible values:

- `"bar"`
- `"vbar"`
- `"stackedbar"`
- `"pie"`
- `"doughnut"`
- `"gauge"`
- `"bullet"`
- `"radar"`

### `displayName`

**Type**: `string`

The title of a survey question visualized by this item. The visualization item displays the same title.

### `hideEmptyAnswers`

**Type**: `boolean`

Indicates whether answers with zero count are hidden in [bar charts](https://surveyjs.io/dashboard/documentation/chart-types#bar-chart), [histograms](https://surveyjs.io/dashboard/documentation/chart-types#histogram), and [statistics tables](https://surveyjs.io/dashboard/documentation/chart-types#statistics-table).

### `isVisible`

**Type**: `boolean`

Indicates whether the visualization item is currently visible.

If you want to disallow users to hide visualization items, set the [`allowHideQuestions`](https://surveyjs.io/dashboard/documentation/api-reference/ivisualizationpaneloptions#allowHideQuestions) property to `false`.

### `name`

**Type**: `string`

The name of a survey question visualized by this item.

### `topN`

**Type**: `number`

Indicates whether the visualization item displays top 5, 10, or 20 answers by answer count. This property equals -1 if the Top N Answers feature is disabled.