## Method: account.updateUsername ### Parameters: | Name | Type | Required | |----------|:-------------:|---------:| |username|[string](../types/string.md) | Required| ### Return type: [User](../types/User.md) ### Example: ``` $MadelineProto = new \danog\MadelineProto\API(); if (isset($token)) { $this->bot_login($token); } if (isset($number)) { $sentCode = $MadelineProto->phone_login($number); echo 'Enter the code you received: '; $code = ''; for ($x = 0; $x < $sentCode['type']['length']; $x++) { $code .= fgetc(STDIN); } $MadelineProto->complete_phone_login($code); } $User = $MadelineProto->account->updateUsername(['username' => string, ]); ```