--- title: account.updateUsername description: account.updateUsername parameters, return type and example --- ## Method: account.updateUsername [Back to methods index](index.md) ### Parameters: | Name | Type | Required | |----------|---------------|----------| |username|[string](../types/string.md) | Yes| ### Return type: [User](../types/User.md) ### Can bots use this method: **NO** ### Errors this method can return: | Error | Description | |----------|---------------| |USERNAME_INVALID|The provided username is not valid| |USERNAME_NOT_MODIFIED|The username was not modified| |USERNAME_OCCUPIED|The provided username is already occupied| ### Example: ``` $MadelineProto = new \danog\MadelineProto\API(); $MadelineProto->session = 'mySession.madeline'; if (isset($number)) { // Login as a user $MadelineProto->phone_login($number); $code = readline('Enter the code you received: '); // Or do this in two separate steps in an HTTP API $MadelineProto->complete_phone_login($code); } $User = $MadelineProto->account->updateUsername(['username' => 'string', ]); ``` Or, if you're using the [PWRTelegram HTTP API](https://pwrtelegram.xyz): ### As a user: POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/account.updateUsername` Parameters: username - Json encoded string Or, if you're into Lua: ``` User = account.updateUsername({username='string', }) ```