--- title: channels.deleteUserHistory description: Delete all messages of a user in a channel/supergroup image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Method: channels.deleteUserHistory [Back to methods index](index.md) Delete all messages of a user in a channel/supergroup ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |channel|[Username, chat ID, Update, Message or InputChannel](../types/InputChannel.md) | The channel/supergroup | Optional| |user\_id|[Username, chat ID, Update, Message or InputUser](../types/InputUser.md) | The user | Optional| ### Return type: [messages\_AffectedHistory](../types/messages_AffectedHistory.md) ### Can bots use this method: **NO** ### MadelineProto Example: ```php if (!file_exists('madeline.php')) { copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php'); } define('MADELINE_BRANCH', ''); include 'madeline.php'; $MadelineProto = new \danog\MadelineProto\API('session.madeline'); $MadelineProto->start(); $messages_AffectedHistory = $MadelineProto->channels->deleteUserHistory(['channel' => InputChannel, 'user_id' => InputUser, ]); ``` ### [PWRTelegram HTTP API](https://pwrtelegram.xyz) example (NOT FOR MadelineProto): ### As a user: POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/channels.deleteUserHistory` Parameters: channel - Json encoded InputChannel user_id - Json encoded InputUser Or, if you're into Lua: ```lua messages_AffectedHistory = channels.deleteUserHistory({channel=InputChannel, user_id=InputUser, }) ``` ### Errors this method can return: | Error | Description | |----------|---------------| |CHANNEL_INVALID|The provided channel is invalid| |CHAT_ADMIN_REQUIRED|You must be an admin in this chat to do this|