app\models\Invoice::getInvitationLink PHP 메소드

    public function getInvitationLink($type = 'view', $forceOnsite = false)
    {
        if (!$this->relationLoaded('invitations')) {
            $this->load('invitations');
        }
        return $this->invitations[0]->getLink($type, $forceOnsite);
    }