| Name | Type | Description | Notes |
|---|---|---|---|
| shipping_history_user_key | string | Unique key to tag shipments in shipping history. It could be MyUPS registration Number or any unique identifier. | [optional] |
| shipment_identification_number | string | The shipment's identification number Alpha-numeric. Must pass 1Z rules. Must be upper case. | |
| tracking_number | string[] | The package's identification number Alpha-numeric. Must pass 1Z rules. Must be upper case | [optional] |