--- title: account.updateUsername description: Update this user's username --- ## Method: account.updateUsername [Back to methods index](index.md) Update this user's username ### Parameters: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |username|[CLICK ME string](../types/string.md) | Yes|The new username| ### 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| ### MadelineProto Example: ``` if (!file_exists('madeline.php')) { copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php'); } include 'madeline.php'; // !!! This API id/API hash combination will not work !!! // !!! You must get your own @ my.telegram.org !!! $api_id = 0; $api_hash = ''; $MadelineProto = new \danog\MadelineProto\API('session.madeline', ['app_info' => ['api_id' => $api_id, 'api_hash' => $api_hash]]); $MadelineProto->start(); $User = $MadelineProto->account->updateUsername(['username' => 'string', ]); ``` ### [PWRTelegram HTTP API](https://pwrtelegram.xyz) example (NOT FOR MadelineProto): ### 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', }) ```