This endpoint gets or creates a new packing list item.
| Name | Type | Description |
|---|---|---|
| id | Text (Primary Key, Unique) | Unique identifier for the packing list item |
| sku | Text | Stock Keeping Unit (SKU) for the packing list item |
| description | Text | Description or additional details about the item |
| quantity | Integer | Quantity of the item in the packing list item |
| packing_list | Text | Identifier for the associated packing list |
| arrived | Boolen | Whether or not the packing list item has arrived |