--- title: messages.addChatUser description: messages.addChatUser parameters, return type and example --- ## Method: messages.addChatUser [Back to methods index](index.md) ### Parameters: | Name | Type | Required | |----------|---------------|----------| |chat\_id|[InputPeer](../types/InputPeer.md) | Yes| |user\_id|[InputUser](../types/InputUser.md) | Yes| |fwd\_limit|[int](../types/int.md) | Yes| ### Return type: [Updates](../types/Updates.md) ### Can bots use this method: **NO** ### Errors this method can return: | Error | Description | |----------|---------------| |CHAT_ADMIN_REQUIRED|You must be an admin in this chat to do this| |CHAT_ID_INVALID|The provided chat id is invalid| |INPUT_USER_DEACTIVATED|The specified user was deleted| |PEER_ID_INVALID|The provided peer id is invalid| |USER_ALREADY_PARTICIPANT|The user is already in the group| |USER_ID_INVALID|The provided user ID is invalid| |USERS_TOO_MUCH|The maximum number of users has been exceeded (to create a chat, for example)| |USER_NOT_MUTUAL_CONTACT|The provided user is not a mutual contact| |USER_PRIVACY_RESTRICTED|The user's privacy settings do not allow you to do this| ### 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); } $Updates = $MadelineProto->messages->addChatUser(['chat_id' => InputPeer, 'user_id' => InputUser, 'fwd_limit' => int, ]); ``` Or, if you're using the [PWRTelegram HTTP API](https://pwrtelegram.xyz): ### As a user: POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/messages.addChatUser` Parameters: chat_id - Json encoded InputPeer user_id - Json encoded InputUser fwd_limit - Json encoded int Or, if you're into Lua: ``` Updates = messages.addChatUser({chat_id=InputPeer, user_id=InputUser, fwd_limit=int, }) ```