Lookitsatravis\Listify\Listify::lowerItem PHP 메소드

    public function lowerItem()
    {
        if ($this->isNotInList()) {
            return NULL;
        }
        return $this->listifyList()->where($this->positionColumn(), ">", $this->getListifyPosition())->orderBy($this->getTable() . "." . $this->positionColumn(), "ASC")->first();
    }