Method: messages.readHistory

Marks message history as read.

Parameters:

Name	Type	Description	Required
peer	Username, chat ID, Update, Message or InputPeer	Target user or group	Optional
max_id	int	If a positive value is passed, only messages with identifiers less or equal than the given one will be read	Optional

Return type: messages.AffectedMessages

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_AffectedMessages = $MadelineProto->messages->readHistory(peer: $InputPeer, max_id: $int, );