public function getDeliveryDropdownFields()
    {
        $contact = $this->getContact();

        return FieldList::create(
            CompositeField::create(
                DropdownField::create(
                    'ShippingAddress',
                    _t(
                        'SilverCommerce\Checkout.DeliveryAddress',
                        'Delivery Address'
                    ),
                    $contact->Locations()
                ),
                FormAction::create(
                    'doAddNewShipping',
                    _t(
                        'SilverCommerce\Checkout.UseDifferentAddress',
                        'Use Different Address'
                    )
                )->addextraClass('btn btn-link')
                ->setAttribute('formnovalidate',true)
            )->setName("DeliveryFields")
        );
    }