MadelineProtoDocs/old_docs/API_docs_v62/methods/channels_updateUsername.md

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---
title: channels.updateUsername
description: Update the username of a supergroup/channel
2018-04-04 19:52:48 +02:00
image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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---
2018-04-05 01:19:57 +02:00
# Method: channels.updateUsername
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[Back to methods index](index.md)
Update the username of a supergroup/channel
### Parameters:
| Name | Type | Required | Description |
|----------|---------------|----------|-------------|
|channel|[Username, chat ID, Update, Message or InputChannel](../types/InputChannel.md) | Optional|The channel/supergroup|
|username|[string](../types/string.md) | Yes|The new username|
### Return type: [Bool](../types/Bool.md)
### Can bots use this method: **NO**
### MadelineProto Example:
```
if (!file_exists('madeline.php')) {
copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';
$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();
$Bool = $MadelineProto->channels->updateUsername(['channel' => InputChannel, 'username' => 'string', ]);
```
### [PWRTelegram HTTP API](https://pwrtelegram.xyz) example (NOT FOR MadelineProto):
### As a user:
POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/channels.updateUsername`
Parameters:
channel - Json encoded InputChannel
username - Json encoded string
Or, if you're into Lua:
```
Bool = channels.updateUsername({channel=InputChannel, username='string', })
```
### Errors this method can return:
| Error | Description |
|----------|---------------|
|CHANNEL_INVALID|The provided channel is invalid|
|CHANNELS_ADMIN_PUBLIC_TOO_MUCH|You're admin of too many public channels, make some channels private to change the username of this channel|
|CHAT_ADMIN_REQUIRED|You must be an admin in this chat to do this|
|USERNAME_INVALID|The provided username is not valid|
|USERNAME_OCCUPIED|The provided username is already occupied|