MadelineProto/docs/API_docs/methods/channels_updateUsername.md

title	description
channels.updateUsername	Update the username of a supergroup/channel

Method: channels.updateUsername

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Update the username of a supergroup/channel

Parameters:

Name	Type	Required	Description
channel	Username, chat ID, Update, Message or InputChannel	Optional	The channel/supergroup
username	string	Yes	The new username

Return type: Bool

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 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