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Tools to Implement a Shopping Cart
If the customer clicked the "Add to Cart" button in the previous
screenshot, their cart would be displayed, as shown in the following figure. Most of the
functionality on this page deals with modifying (CartModify)
the items in the cart.
| CartModify, Action=SaveForLater |
| PurchaseURL |
| CartModify, Quantity=0 |
| CartModify, Quantity=1 |
| CartModify |
The following figure shows the functionality not supported by Product Advertising API.
