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

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/realtime/llms.txt  
> Use this file to discover all available pages before exploring further.

[Skip to content](#%5Ftop) 

# RtkNameTag

A widget that displays the name tag of a participant within a participant tile.

Note

[RtkProvider](https://developers.cloudflare.com/realtime/realtimekit/ui-kit/api-reference/flutter/rtk-provider/) must be an ancestor of this widget in the widget tree.

## Properties

| Property    | Type                  | Required | Default | Description                                 |
| ----------- | --------------------- | -------- | ------- | ------------------------------------------- |
| participant | RtkMeetingParticipant | ✅        | \-      | The participant whose name to display       |
| size        | double                | ✅        | \-      | Size constraint for the name tag            |
| color       | Color                 | ✅        | \-      | Color of the name tag text                  |
| factor      | double                | ❌        | 7       | Font size factor (fontSize = size / factor) |

## Usage Examples

### Basic Usage

Dart

```

import 'package:realtimekit_ui/realtimekit_ui.dart';


RtkNameTag(

  participant: participant,

  size: 14.0,

  color: Colors.white,

)


```

### With Properties

Dart

```

import 'package:realtimekit_ui/realtimekit_ui.dart';


RtkNameTag(

  participant: participant,

  size: 20.0,

  color: Colors.white,

  factor: 5,

)


```

```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/flutter/","name":"Flutter"}},{"@type":"ListItem","position":7,"item":{"@id":"/realtime/realtimekit/ui-kit/api-reference/flutter/rtk-name-tag-widget/","name":"RtkNameTag"}}]}
```