TheBnl / event-tickets

        }

        // Create Attendees tab

        if ($this->owner->Attendees()->exists()) {

            $guestListLabel = _t('TicketExtension.GuestList', 'GuestList');

            $fields->addFieldToTab(

                "Root.$guestListLabel",

                GridField::create('Attendees', $guestListLabel, $this->owner->Attendees(), GuestListGridFieldConfig::create($this->owner))

            );

        }

        // Create WaitingList tab

        if ($this->owner->WaitingList()->exists()) {

        }

        // Create WaitingList tab

        if ($this->owner->WaitingList()->exists()) {

            $waitingListLabel = _t('TicketExtension.WaitingList', 'WaitingList');

            $fields->addFieldToTab(

                "Root.$waitingListLabel",

                GridField::create('WaitingList', $waitingListLabel, $this->owner->WaitingList(), GridFieldConfig_RecordEditor::create())

            );

        }

        // Create Fields tab

        $extraFieldsLabel = _t('TicketExtension.ExtraFields', 'Attendee fields');

        ));

        // Create Reservations tab

        if ($this->owner->Reservations()->exists()) {

            $reservationLabel = _t('TicketExtension.Reservations', 'Reservations');

            $fields->addFieldToTab(

                "Root.$reservationLabel",

                GridField::create('Reservations', $reservationLabel, $this->owner->Reservations(), ReservationGridFieldConfig::create())

            );

        }

        // Create Attendees tab

        if ($this->owner->Attendees()->exists()) {