Method: messages.sendEncryptedService

Sends a service message to a secret chat.

Parameters:

Name	Type	Description	Required
peer	Secret chat ID, Update, EncryptedMessage or InputEncryptedChat	Secret chat ID	Yes
data	bytes	TL-serialization of DecryptedMessage type, encrypted with a key generated during chat initialization	Yes

Return type: messages.SentEncryptedMessage

Can userbots use this method: YES

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_SentEncryptedMessage = $MadelineProto->messages->sendEncryptedService(peer: $InputEncryptedChat, data: 'bytes', );