## The ShippingOption object

The `ShippingOption` object describes a shipping method used with a [PaymentRequest](/js/payment_request/create.md).

- `id` (string)
  A unique ID you create to keep track of this shipping option.
You’ll be told the ID of the selected option on changes and on completion.

- `label` (string)
  A short label for this shipping option.

- `detail` (string)
  A longer description of this shipping option.

- `amount` (number)
  The amount to show for this shipping option.
If the cost of this shipping option depends on the shipping address the customer enters, listen for the `shippingaddresschange` event.