| Name | Type | Description | Notes |
|---|---|---|---|
| external_id | string | A customer-specified identifier that is unique for each order. | |
| line_items | \AmazonBusinessApi\Model\OrderingV1\RequestLineItem[] | Items in the order. | |
| attributes | \AmazonBusinessApi\Model\OrderingV1\Attribute[] | Customer-determined order properties. | |
| expectations | \AmazonBusinessApi\Model\OrderingV1\Expectation[] | Customer expectations about aspects of an order they do not directly control. |