get https://api.ticketinghub.com/channel/products/product_id/extras
Up-sell items that can be sold during the checkout process
Extras are just arbitrary items that can be sold as well as tickets. It's recommended to sell them as part of the checkout procedure but after the customer has chosen their selection of tickets and customer details have been taken.
| Field | Description |
|---|---|
| id | A UUID that uniquely identifies this extra |
| name | A label for the extra. |
| description | A brief description explaining what the extra is in more detail. |
| price | How much each extra costs |