# The purchase order row object

| Attribute                       | Description                                                                                                                                                                       |
| :------------------------------ | :-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| id                              | Unique identifier for the object.                                                                                                                                                 |
| quantity                        | The quantity of items for the order line.                                                                                                                                         |
| variant\_id                     | ID of product or material variant added to the order line.                                                                                                                        |
| tax\_rate\_id                   | ID of tax added to price per unit.                                                                                                                                                |
| group\_id                       | ID of a group of purchase order rows linked by partial deliveries within a single order. Useful for tracking and managing items received in groups under the same purchase order. |
| price\_per\_unit                | The purchase price of one unit (excluding taxes) in purchase order currency.                                                                                                      |
| purchase\_uom                   | The unit used to measure the quantity of the items (e.g. pcs, kg, m) you purchase. It can be different from the unit used to track stock.                                         |
| purchase\_uom\_conversion\_rate | The conversion rate between the purchase and stock tracking UoMs.                                                                                                                 |
| batch\_transactions             | An array of batch transactions and their quantities. You can receive stock for the same item in multiple batches.                                                                 |
| batch\_transaction.batch\_id    | ID of the batch for the received item.                                                                                                                                            |
| batch\_transactions.quantity    | The quantity received in a particular batch.                                                                                                                                      |
| total                           | The total value of the purchase order row (excluding taxes) in purchase order currency.                                                                                           |
| total\_in\_base\_currency       | The total value of the purchase order row (excluding taxes) in base currency.                                                                                                     |
| conversion\_rate                | Currency rate used to convert from purchase order currency into factory base currency.                                                                                            |
| conversion\_date                | The date of the conversion rate used.                                                                                                                                             |
| received\_date                  | The date when the items on the purchase order row were received to your stock.                                                                                                    |
| created\_at                     | The timestamp when the purchase order row was created.                                                                                                                            |
| updated\_at                     | The timestamp when the purchase order row was last updated.                                                                                                                       |
| arrival\_date                   | The timestamp when the item on the row is expected to arrive (in full) in your warehouse. ISO 8601 format with time and timezone must be used.                                    |