The package sublist and field ids differ according to the shipping item being used. You may also need to set the 'carrierform' to prep the fulfillment for using the correct package sublist.
| Carrier Form | Sublist | Weight | Tracking | Description |
|---|---|---|---|---|
| fedex | packagefedex | packageweightfedex | packagetrackingnumberfedex | (reference1fedex) |
| usps | packageusps | packageweightusps | packagetrackingnumberusps | packagedescrusps |
| ns | package | packageweight | packagetrackingnumber | packagedescr |
| ups | pacakageups | packageweightups | packagetrackingnumberups | packagedescrups |