| Name | Type | Description | Notes |
|---|---|---|---|
| listingId | string | The unique identifier of the eBay listing to migrate to the new Inventory model. In the Trading API, this field is known as the <strong>ItemID</strong>. Up to five unique eBay listings may be specified here in separate <strong>listingId</strong> fields. The seller should make sure that each of these listings meet the requirements that are stated at the top of this Call Reference page. | [optional] |