MadelineProtoDocs/old_docs/API_docs_v18/methods/messages.addChatUser.md

title	description	image	redirect_from
messages.addChatUser	Adds a user to a chat and sends a service message on it.	https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png	/API_docs/methods/messages_addChatUser.html

Method: messages.addChatUser

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Adds a user to a chat and sends a service message on it.

Parameters:

Name	Type	Description	Required
chat_id	Username, chat ID, Update, Message or InputPeer	The chat where to invite users	Optional
user_id	Username, chat ID, Update, Message or InputUser	User ID to be added	Optional
fwd_limit	int	Number of last messages to be forwarded	Yes

Return type: messages.StatedMessage

Can bots use this method: NO

MadelineProto Example (now async for huge speed and parallelism!):

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();

$messages.StatedMessage = $MadelineProto->messages->addChatUser(['chat_id' => InputPeer, 'user_id' => InputUser, 'fwd_limit' => int, ]);

Or, if you're into Lua:

messages.StatedMessage = messages.addChatUser({chat_id=InputPeer, user_id=InputUser, fwd_limit=int, })

Errors

Code	Type	Description
400	CHAT_ADMIN_REQUIRED	You must be an admin in this chat to do this
400	CHAT_ID_INVALID	The provided chat id is invalid
400	INPUT_USER_DEACTIVATED	The specified user was deleted
400	PEER_ID_INVALID	The provided peer id is invalid
400	USER_ALREADY_PARTICIPANT	The user is already in the group
400	USER_ID_INVALID	The provided user ID is invalid
400	USERS_TOO_MUCH	The maximum number of users has been exceeded (to create a chat, for example)
403	USER_NOT_MUTUAL_CONTACT	The provided user is not a mutual contact
403	USER_PRIVACY_RESTRICTED	The user's privacy settings do not allow you to do this