LineItemReference

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/LineItemReference",
  "title": "LineItemReference",
  "type": "object",
  "properties": {
    "lineItemId": {
      "type": "string",
      "description": "This is the unique identifier of the eBay order line item that is part of the shipping fulfillment.<br><br>Line item Ids can be found in the lineItems.<b>lineItemId</b> field of the <a href=\"/api-docs/sell/fulfillment/resources/order/methods/getOrders\" target=\"_blank\">getOrders</a> response."
    },
    "quantity": {
      "type": "integer",
      "description": "This is the number of lineItems associated with the <a href=\"#request.trackingNumber\">trackingNumber</a> specified by the seller. This must be a whole number greater than zero (0).",
      "format": "int32"
    }
  },
  "description": "This type identifies the line item and quantity of that line item that comprises one fulfillment, such as a shipping package."
}