| Name | Type | Description | Notes |
|---|---|---|---|
| legacyItemId | string | The unique identifier of a listing in legacy/Trading API format. Note: Both legacyItemId and legacyTransactionId are needed to identify an order line item. | [optional] |
| legacyTransactionId | string | The unique identifier of a sale/transaction in legacy/Trading API format. A 'transaction ID' is created once a buyer purchases a 'Buy It Now' item or if an auction listing ends with a winning bidder. Note: Both legacyItemId and legacyTransactionId are needed to identify an order line item. | [optional] |