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

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# RtkClockView

A label that displays the elapsed meeting time in `HH:MM:SS` format. Updates every second while the meeting is active.

## Initializer parameters

| Parameter  | Type              | Required | Default                             | Description                                            |
| ---------- | ----------------- | -------- | ----------------------------------- | ------------------------------------------------------ |
| meeting    | RealtimeKitClient | ✅        | \-                                  | The RealtimeKit client instance for the active meeting |
| appearance | RtkTextAppearance | ❌        | AppTheme.shared.clockViewAppearance | Text appearance configuration for font and color       |

## Usage Examples

### Basic Usage

Swift

```

import RealtimeKitUI


let clockView = RtkClockView(meeting: rtkClient)

view.addSubview(clockView)


```

### With custom appearance

Swift

```

import RealtimeKitUI


let appearance = RtkTextAppearance(

    font: UIFont.monospacedDigitSystemFont(ofSize: 14, weight: .regular),

    textColor: .white

)

let clockView = RtkClockView(

    meeting: rtkClient,

    appearance: appearance

)

view.addSubview(clockView)


```

Explain Code

```json
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/realtime/","name":"Realtime"}},{"@type":"ListItem","position":3,"item":{"@id":"/realtime/realtimekit/","name":"RealtimeKit"}},{"@type":"ListItem","position":4,"item":{"@id":"/realtime/realtimekit/ui-kit/","name":"Build using UI Kit"}},{"@type":"ListItem","position":5,"item":{"@id":"/realtime/realtimekit/ui-kit/api-reference/","name":"Component Reference"}},{"@type":"ListItem","position":6,"item":{"@id":"/realtime/realtimekit/ui-kit/api-reference/ios/","name":"iOS"}},{"@type":"ListItem","position":7,"item":{"@id":"/realtime/realtimekit/ui-kit/api-reference/ios/rtk-clock-view/","name":"RtkClockView"}}]}
```