---
description: API reference for RtkMoreButtonControlBar component (iOS Library)
title: RtkMoreButtonControlBar
image: https://developers.cloudflare.com/realtime/realtimekit/humans/ui-kit/api-reference/ios/rtk-more-button-control-bar/og.png?v=a271abca6eba206f
---

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# RtkMoreButtonControlBar

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

A control bar button that opens a bottom sheet menu with meeting actions such as chat, polls, and participant list.

## Initializer parameters

| Parameter | Type | Required | Default | Description |
| --- | --- | --- | --- | --- |
| `meeting` | `RealtimeKitClient` | ✅ | - | The RealtimeKit client instance |
| `presentingViewController` | `UIViewController` | ✅ | - | View controller used to present the bottom sheet |
| `settingViewControllerCompletion` | `(() -> Void)?` | ❌ | `nil` | Closure called when the settings view controller dismisses |

## Methods

| Method | Return Type | Description |
| --- | --- | --- |
| `hideBottomSheet()` | `Void` | Programmatically dismisses the bottom sheet menu |

## Usage Examples

### Basic Usage

```swift
import RealtimeKitUI

let moreButton = RtkMoreButtonControlBar(
    meeting: rtkClient,
    presentingViewController: self
)
view.addSubview(moreButton)
```

### With settings completion

```swift
import RealtimeKitUI

let moreButton = RtkMoreButtonControlBar(
    meeting: rtkClient,
    presentingViewController: self,
    settingViewControllerCompletion: {
        print("Settings dismissed")
    }
)
view.addSubview(moreButton)
```

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