---
description: API reference for RtkMeetingControlBar component (iOS Library)
title: RtkMeetingControlBar
image: https://developers.cloudflare.com/realtime/realtimekit/humans/ui-kit/api-reference/ios/rtk-meeting-control-bar/og.png?v=318c8caf935e1b89
---

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# RtkMeetingControlBar

Last updated Oct 19, 2026|Copy as Markdown| [View as Markdown](https://developers.cloudflare.com/realtime/realtimekit/humans/ui-kit/api-reference/ios/rtk-meeting-control-bar/index.md)| [Agent setup](https://developers.cloudflare.com/agent-setup/)

Control bar for group calls that extends `RtkControlBar` with microphone and video toggle buttons.

## Initializer parameters

| Parameter | Type | Required | Default | Description |
| --- | --- | --- | --- | --- |
| `meeting` | `RealtimeKitClient` | ✅ | - | The RealtimeKit client instance |
| `delegate` | `RtkTabBarDelegate?` | ✅ | - | Delegate for handling tab bar interactions |
| `presentingViewController` | `UIViewController` | ✅ | - | View controller used for presenting modal screens |
| `appearance` | `RtkControlBarAppearance` | ❌ | `RtkControlBarAppearanceModel()` | Appearance configuration for the control bar |
| `settingViewControllerCompletion` | `(() -> Void)?` | ❌ | `nil` | Closure called when the settings view controller dismisses |
| `onLeaveMeetingCompletion` | `(() -> Void)?` | ❌ | `nil` | Closure called when the participant leaves the meeting |

## Properties

| Property | Type | Required | Default | Description |
| --- | --- | --- | --- | --- |
| `dataSource` | `RtkMeetingControlBarDataSource?` | ❌ | `nil` | Data source for customizing control bar buttons |

## Usage Examples

### Basic Usage

```swift
import RealtimeKitUI

let controlBar = RtkMeetingControlBar(
    meeting: rtkClient,
    delegate: self,
    presentingViewController: self
)
view.addSubview(controlBar)
```

### With leave meeting handler

```swift
import RealtimeKitUI

let controlBar = RtkMeetingControlBar(
    meeting: rtkClient,
    delegate: self,
    presentingViewController: self,
    onLeaveMeetingCompletion: {
        self.navigationController?.popViewController(animated: true)
    }
)
view.addSubview(controlBar)
```

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