Method: messages.setHistoryTTL

Set maximum Time-To-Live of all messages in the specified chat

Parameters:

Name	Type	Description	Required
peer	Username, chat ID, Update, Message or InputPeer	The dialog	Optional
period	int	Automatically delete all messages sent in the chat after this many seconds	Optional

Return type: Updates

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();

$Updates = $MadelineProto->messages->setHistoryTTL(peer: $InputPeer, period: $int, );