# Order Item

| Name | Data Type | Description |
|  --- | --- | --- |
| `orderItemId` | number | The system-generated identifier for the OrderItem. **Read-Only** field. |
| `lineItemKey` | string | An identifier for the `OrderItem` in the originating system. |
| `sku` | string | The SKU (stock keeping unit) identifier for the product associated with this line item. |
| `name` | string | The name of the product associated with this line item. Cannot be `null` |
| `imageUrl` | string | The public URL to the product image. |
| `weight` | Object: numbers and strings | The [**Weight**](/apis/shipstation-v1/docs/models/weight) |
| `quantity` | number | The quantity of product ordered. |
| `unitPrice` | number | The sell price of a single item specified by the order source. |
| `taxAmount` | number | The tax price of a single item specified by the order source. |
| `shippingAmount` | number | The shipping amount or price of a single item specified by the order source. |
| `warehouseLocation` | string | The location of the product within the seller's warehouse (e.g. Aisle 3, Shelf A, Bin 5) |
| `options` | Array of strings | See [**ItemOption**](/apis/shipstation-v1/docs/models/item-option) for specifics. |
| `productId` | number | The identifier for the Product Resource associated with this `OrderItem`. |
| `fulfillmentSku` | string | The fulfillment SKU associated with this `OrderItem` if the fulfillment provider requires an identifier other than the SKU. |
| `adjustment` | boolean | Indicates that the `OrderItem` is a non-physical adjustment to the order (e.g. a discount or promotional code) |
| `upc` | string | The Universal Product Code (UPC) associated with this `OrderItem`. |
| `createDate` | string | The timestamp the `orderItem` was created in ShipStation's database. **Read-Only** field. |
| `modifyDate` | string | The timestamp the `orderItem` was modified in ShipStation. `modifyDate` will equal `createDate` until a modification is made. **Read-Only** field. |