A purchase is made when a user buys a ovrProductHandle. The IAP product, which can represent a consumable item, a durable item, or a subscription, must be defined for purchase through the developer dashboard.
The unique identifier of a ovrPurchaseHandle represents a user's unique entitlement to a ovrProductHandle. This value is 0 for shared IAP entitlements. Deprecated
The SKU of the IAP ovrProductHandle that was purchased. This value is case-sensitive. To retrieve the product information, you can use this value when calling ovr_IAP_GetProductsBySKU().