diff --git a/Runtime/GuruCore/Runtime/Analytics/Analytics.TemplateDefine.cs b/Runtime/GuruCore/Runtime/Analytics/Analytics.TemplateDefine.cs
index 606ffd3..739bad3 100644
--- a/Runtime/GuruCore/Runtime/Analytics/Analytics.TemplateDefine.cs
+++ b/Runtime/GuruCore/Runtime/Analytics/Analytics.TemplateDefine.cs
@@ -298,7 +298,8 @@ namespace Guru
 	    /// <param name="isTest"></param>
 	    public static void Tch001IAPRev(double value, string productId, string orderId, string orderType, string timestamp, bool isTest = false)
 	    {
-		    TchRevEvent(EventTchAdRev001Impression, IAPPlatform, value, orderType, productId, orderId, timestamp, isTest);
+		    string sandbox = isTest ? "true" : "false";
+		    TchRevEvent(EventTchAdRev001Impression, IAPPlatform, value, orderType, productId, orderId, timestamp, sandbox);
 	    }
 
 	    /// <summary>
@@ -310,12 +311,13 @@ namespace Guru
 	    /// <param name="orderId"></param>
 	    /// <param name="orderType"></param>
 	    /// <param name="timestamp"></param>
-	    /// <param name="isSandbox"></param>
+	    /// <param name="isTest"></param>
 	    // public static void Tch02IAPRev(double value, string productId, string orderId, string orderType, string timestamp)
 	    public static void Tch02IAPRev(double value, string productId, string orderId, string orderType, string timestamp, bool isTest = false)
 	    {
 		    if (!EnableTch02Event) return;
-		    TchRevEvent(EventTchAdRev02Impression, IAPPlatform, value, orderType, productId, orderId, timestamp, isTest);
+		    string sandbox = isTest ? "true" : "false";
+		    TchRevEvent(EventTchAdRev02Impression, IAPPlatform, value, orderType, productId, orderId, timestamp, sandbox);
 	    }
 	    
 	    /// <summary>
@@ -364,9 +366,9 @@ namespace Guru
 	    /// <param name="productId"></param>
 	    /// <param name="orderId"></param>
 	    /// <param name="timestamp"></param>
-	    /// <param name="isTest"></param>
+	    /// <param name="sandbox"></param>
 	    private static void TchRevEvent(string evtName, string platform, double value, 
-		    string orderType = "", string productId = "", string orderId = "", string timestamp = "", bool isTest = false)
+		    string orderType = "", string productId = "", string orderId = "", string timestamp = "", string sandbox = "")
 	    {
 		    var data = new Dictionary<string, dynamic>()
 		    {
@@ -375,8 +377,6 @@ namespace Guru
 			    { ParameterCurrency, USD },
 		    };
 		    
-		    string sandbox = isTest ? "true" : "false";
-		    
 		    //--------- Extra data for IAP receipt ---------------
 		    
 		    if(!string.IsNullOrEmpty(orderType)) data["order_type"] = orderType;