In App Purchases

NSString *itemName; // Name of the item purchased
double itemPrice;   // Price of the purchase
NSString *currency; // 3 Character currency code
NSString *locale;   // Retreive from device e.g. en_GB

NSString *storeTransactionId; // Retrieve identifier from your SKPaymentTransaction
NSString *storeProductId;     // Retrieve productIdentifier from your SKProduct

[[Tapdaq sharedSession] trackPurchaseForProductName:itemName
                                             price:itemPrice
                                       priceLocale:locale
                                          currency:currency
                                     transactionId:storeTransactionId
                                         productId:storeProductId;