window.WTN.inAppPurchase({
productId : "test_product123",
callback : function(data){
var receiptData = data.receiptData;
console.log(receiptData)
alert(""+Object.values(receiptData))
if(data.isSuccess){
// use this receipt data to verify transaction from app store
// refer : https://developer.apple.com/documentation/appstorereceipts/verifyreceipt
}
}
})