# Update Order Request

Defines the fields that are included in requests to the
[UpdateOrder](../../doc/apis/orders.md#update-order) endpoint.

## Structure

`UpdateOrderRequest`

## Fields

| Name | Type | Tags | Description | Getter | Setter |
|  --- | --- | --- | --- | --- | --- |
| `order` | [`?Order`](../../doc/models/order.md) | Optional | Contains all information related to a single order to process with Square,<br>including line items that specify the products to purchase. `Order` objects also<br>include information about any associated tenders, refunds, and returns.<br><br>All Connect V2 Transactions have all been converted to Orders including all associated<br>itemization data. | getOrder(): ?Order | setOrder(?Order order): void |
| `fieldsToClear` | `?(string[])` | Optional | The [dot notation paths](https://developer.squareup.com/docs/orders-api/manage-orders#on-dot-notation)<br>fields to clear. For example, `line_items[uid].note`.<br>For more information, see [Deleting fields](https://developer.squareup.com/docs/orders-api/manage-orders#delete-fields). | getFieldsToClear(): ?array | setFieldsToClear(?array fieldsToClear): void |
| `idempotencyKey` | `?string` | Optional | A value you specify that uniquely identifies this update request.<br><br>If you are unsure whether a particular update was applied to an order successfully,<br>you can reattempt it with the same idempotency key without<br>worrying about creating duplicate updates to the order.<br>The latest order version is returned.<br><br>For more information, see [Idempotency](https://developer.squareup.com/docs/basics/api101/idempotency).<br>**Constraints**: *Maximum Length*: `192` | getIdempotencyKey(): ?string | setIdempotencyKey(?string idempotencyKey): void |

## Example (as JSON)

```json
{
  "order": null,
  "fields_to_clear": null,
  "idempotency_key": null
}
```