| Name | Type | Description | Notes |
|---|---|---|---|
| tracking_number | string | Package Tracking number. Package 1Z number. Returned only if TrackingNumber or Combination of Reference Number and Shipper Number present in request. | [optional] |
| label_image | \AntibodiesOnline\UpsApi\Shipping\Model\LabelResultsLabelImage | [optional] | |
| mail_innovations_tracking_number | string | Mail Innovations Tracking Number. Applicable for Single Mail Innovations Returns and Dual Mail Innovations Returns shipment. Returned only if MailInnovationsTrackingNumber is provided in request. | [optional] |
| mail_innovations_label_image | \AntibodiesOnline\UpsApi\Shipping\Model\LabelResultsMailInnovationsLabelImage | [optional] | |
| receipt | \AntibodiesOnline\UpsApi\Shipping\Model\LabelResultsReceipt | [optional] | |
| form | \AntibodiesOnline\UpsApi\Shipping\Model\LabelResultsForm | [optional] |