---
title: RtkVideoButtonControlBar
description: API reference for RtkVideoButtonControlBar component (iOS Library)
image: https://developers.cloudflare.com/dev-products-preview.png
---

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# RtkVideoButtonControlBar

A control bar button that toggles the local camera on and off. Checks camera permissions before toggling.

## Initializer parameters

| Parameter | Type              | Required | Default | Description                     |
| --------- | ----------------- | -------- | ------- | ------------------------------- |
| rtkClient | RealtimeKitClient | ✅        | \-      | The RealtimeKit client instance |

## Usage Examples

### Basic Usage

Swift

```

import RealtimeKitUI


let videoButton = RtkVideoButtonControlBar(rtkClient: rtkClient)

view.addSubview(videoButton)


```

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