--- title: channels.updateUsername description: Update the username of a supergroup/channel image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- ## Method: channels.updateUsername [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|