public function getNewMessages(OW_Event $event)
{
$params = $event->getParams();
$userId = $params['userId'];
$opponentId = $params['opponentId'];
$lastMessageTimestamp = $params['lastMessageTimestamp'];
$data = $this->service->getChatNewMessages($userId, $opponentId, $lastMessageTimestamp);
$event->setData($data);
return $data;
}
