--- title: "channels.toggleUsername" description: "Activate or deactivate a purchased [fragment.com](https://fragment.com) username associated to a [supergroup or channel](https://core.telegram.org/api/channel) we own." grand_parent: "Telegram RPC API" parent: "Methods" image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png redirect_from: /API_docs/methods/channels_toggleUsername.html --- # Method: channels.toggleUsername [Back to methods index](index.html) Activate or deactivate a purchased [fragment.com](https://fragment.com) username associated to a [supergroup or channel](https://core.telegram.org/api/channel) we own. ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |channel|[Username, chat ID, Update, Message or InputChannel](/API_docs/types/InputChannel.html) | [Supergroup or channel](https://core.telegram.org/api/channel) | Optional| |username|[string](/API_docs/types/string.html) | Username | Optional| |active|[Bool](/API_docs/types/Bool.html) | Whether to activate or deactivate the username | Yes| ### Return type: [Bool](/API_docs/types/Bool.html) ### Can bots use this method: **NO** ### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)): ```php 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->toggleUsername(channel: $InputChannel, username: 'string', active: $Bool, ); ```