Krucas\Notification\NotificationsBag::group PHP Method

    public function group()
    {
        if (func_num_args() > 0) {
            $types = func_get_args();
            $this->groupForRender = array();
            foreach ($types as $type) {
                $this->addToGrouping($type);
            }
        }
        return $this;
    }