OpenlinesListenerExample::getLastMessageId

static function getLastMessageId($dialogId)
{
	$cacheName = "bot_listen_mid_".$dialogId;

	$app = BitrixMainApplication::getInstance();
	$managedCache = $app->getManagedCache();
	if ($result = $managedCache->read(86400, $cacheName))
	{
		$result = $managedCache->get($cacheName);
	}
	return $result;
}