MadelineProto/docs/TD_docs/methods/openChat.md

title	description
openChat	Chat is opened by the user. Many useful activities depends on chat being opened or closed. For example, in channels all updates are received only for opened chats

Method: openChat

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Chat is opened by the user. Many useful activities depends on chat being opened or closed. For example, in channels all updates are received only for opened chats

Params:

Name	Type	Required	Description
chat_id	InputPeer	Yes	Chat identifier

Return type: Ok

Example:

$MadelineProto = new \danog\MadelineProto\API();
if (isset($token)) { // Login as a bot
    $this->bot_login($token);
}
if (isset($number)) { // Login as a user
    $sentCode = $MadelineProto->phone_login($number);
    echo 'Enter the code you received: ';
    $code = '';
    for ($x = 0; $x < $sentCode['type']['length']; $x++) {
        $code .= fgetc(STDIN);
    }
    $MadelineProto->complete_phone_login($code);
}

$Ok = $MadelineProto->openChat(['chat_id' => InputPeer, ]);

Or, if you're into Lua:

Ok = openChat({chat_id=InputPeer, })