Used by Applications to control Unity IAP.
See Also: Product for an example usage.
| products | Store products including metadata and purchase receipts. |
| ConfirmPendingPurchase | Confirm a pending purchase. |
| FetchAdditionalProducts | This method may be used to fetch additional products for purchasing, or to refresh metadata on existing products. |
| InitiatePurchase | Initiate a purchase for a specific product. |