bubasuma\simplechat\controllers\ControllerTrait::actionMarkConversationAsUnread PHP Method

    public function actionMarkConversationAsUnread($contactId)
    {
        $userId = $this->user->getId();
        /** @var $conversationClass Conversation */
        $conversationClass = $this->conversationClass;
        return $conversationClass::unread($userId, $contactId);
    }