# Method: channels.updateUsername

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Change the username of a supergroup/channel

# Parameters:

Name Type Description Required
channel Username, chat ID, Update, Message or InputChannel Channel Optional
username string New username Yes

# Return type: Bool

# Can bots use this method: NO

# MadelineProto Example (now async for huge speed and parallelism!):

if (!file_exists('madeline.php')) {
    copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
include 'madeline.php';

$MadelineProto = new \danog\MadelineProto\API('session.madeline');

$Bool = $MadelineProto->channels->updateUsername(['channel' => InputChannel, 'username' => 'string', ]);

Or, if you’re into Lua:

Bool = channels.updateUsername({channel=InputChannel, username='string', })

# Errors

Code Type Description
400 CHANNEL_INVALID The provided channel is invalid
400 CHANNEL_PRIVATE You haven’t joined this channel/supergroup
400 CHANNELS_ADMIN_PUBLIC_TOO_MUCH You’re admin of too many public channels, make some channels private to change the username of this channel
400 CHAT_ADMIN_REQUIRED You must be an admin in this chat to do this
400 CHAT_NOT_MODIFIED The pinned message wasn’t modified
400 USERNAME_INVALID The provided username is not valid
400 USERNAME_NOT_MODIFIED The username was not modified
400 USERNAME_OCCUPIED The provided username is already occupied
406 AUTH_KEY_DUPLICATED An auth key with the same ID was already generated
403 CHAT_WRITE_FORBIDDEN You can’t write in this chat
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