diff --git a/branch_events.js b/branch_events.js
index a8c009b..b126ec0 100644
--- a/branch_events.js
+++ b/branch_events.js
@@ -2,10 +2,11 @@ function trackEvent(eventName) {
   if (eventName == "ADD_TO_CART") {
     var event_and_custom_data = {
       "currency": "EUR",
-      "revenue": 120.0
+      "revenue": 120.0,
+      "coupon": "coupon_code"
     };
 
-    var customer_event_alias = "Test currency + revenue fields";
+    var customer_event_alias = "Test currency + revenue + coupon fields";
 
     branch.logEvent(
       "ADD_TO_CART",
@@ -14,15 +15,16 @@ function trackEvent(eventName) {
       function(err) { console.log(err); }
     );
 
-    setTimeout(function(){alert("Branch " + eventName + " event was tracked with currency and revenue data!")},500);
+    setTimeout(function(){alert("Branch " + eventName + " event was tracked with currency, revenue, and coupon data!")},500);
   } 
   else if(eventName == "PURCHASE") {
     var event_and_custom_data = {
       "currency": "EUR",
-      "revenue": 120.0
+      "revenue": 120.0,
+      "coupon": "coupon_code"
     };
 
-    var customer_event_alias = "Test currency + revenue fields";
+    var customer_event_alias = "Test currency + revenue + coupon fields";
 
     branch.logEvent(
       "PURCHASE",
@@ -31,7 +33,7 @@ function trackEvent(eventName) {
       function(err) { console.log(err); }
     );
 
-    setTimeout(function(){alert("Branch " + eventName + " event was tracked with currency and revenue data!")},500);
+    setTimeout(function(){alert("Branch " + eventName + " event was tracked with currency, revenue, and coupon data!")},500);
 
   }
   else {