import 'package:aspose_barcode_cloud/aspose_barcode_cloud.dart';Coupon parameters. Used for UpcaGs1DatabarCoupon, UpcaGs1Code128Coupon.
| Name | Type | Description | Notes |
|---|---|---|---|
| supplementSpace | double | Space between main the BarCode and supplement BarCode in Unit value. | [optional] [default to null] |