Facebook.Unity.IOS.IOSWrapper.IOSFBAppEventsLogPurchase C# (CSharp) Method

        private static extern void IOSFBAppEventsLogPurchase(
            double logPurchase,
            string currency,
            int numParams,
            string[] paramKeys,
            string[] paramVals);

 public void LogPurchaseAppEvent(
     double logPurchase,
     string currency,
     int numParams,
     string[] paramKeys,
     string[] paramVals)
 {
     IOSWrapper.IOSFBAppEventsLogPurchase(
         logPurchase,
         currency,
         numParams,
         paramKeys,
         paramVals);
 }