public function TicketForm()
    {
        if ($this->owner->Tickets()->count() && $this->owner->getTicketsAvailable()) {
            $ticketForm = new TicketForm($this->owner, 'TicketForm', $this->owner->Tickets(), $this->owner->dataRecord);
            $ticketForm->setNextStep(CheckoutSteps::start());
            return $ticketForm;
        } else {
            return null;
        }
    }