---
description: API reference for RtkFullscreenToggle component (React Library)
title: RtkFullscreenToggle
image: https://developers.cloudflare.com/og-docs.png
---

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# RtkFullscreenToggle

Last updated Aug 25, 2026|Copy as Markdown|[View as Markdown](https://4f1c5cd2.previews.developers.cloudflare.com/realtime/realtimekit/ui-kit/api-reference/react/rtkfullscreentoggle/index.md)|[Agent setup](https://4f1c5cd2.previews.developers.cloudflare.com/agent-setup/)

A button which toggles full screen mode for any existing `rtk-meeting` component in the DOM.

## Properties

| Property      | Type              | Required | Default         | Description                  |
| ------------- | ----------------- | -------- | --------------- | ---------------------------- |
| iconPack      | IconPack          | ❌        | defaultIconPack | Icon pack                    |
| size          | Size              | ✅        | \-              | Size                         |
| states        | States            | ✅        | \-              | States object                |
| t             | RtkI18n           | ❌        | useLanguage()   | Language                     |
| targetElement | HTMLElement       | ✅        | \-              | Target Element to fullscreen |
| variant       | ControlBarVariant | ✅        | \-              | Variant                      |

## Usage Examples

### Basic Usage

```tsx
import { RtkFullscreenToggle } from '@cloudflare/realtimekit-react-ui';

function MyComponent() {
  return <RtkFullscreenToggle />;
}
```

### With Properties

```tsx
import { RtkFullscreenToggle } from '@cloudflare/realtimekit-react-ui';

function MyComponent() {
  return (
    <RtkFullscreenToggle
      size="md"
      targetElement={htmlelement}
      variant="button"
    />
  );
}
```

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