Method: bots.addPreviewMedia

Parameters:

Name	Type	Required
bot	Username, chat ID, Update, Message or InputUser	Optional
lang_code	string	Optional
media	MessageMedia, Update, Message or InputMedia	Optional

Return type: BotPreviewMedia

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();

$BotPreviewMedia = $MadelineProto->bots->addPreviewMedia(bot: $InputUser, lang_code: 'string', media: $InputMedia, );