View difference between Paste ID: mM73Vc9V and SGgFzyUC

 window.dataLayer = window.dataLayer || [];
 window.dataLayer.push({
-  event: 'purchase',
+  event: 'ga4_purchase',
   reorder: 'true',  // Varaible value. 'true' - if the order is a reorder, 'false' - if the order is not a reorder.
   ecommerce: {
     currency: 'USD',                           //Required. Transaction Currency - Type: string
-    value: 13243.80,                           //Transaction Revenue  - Type: number
+    value: 8400.90,                           //Transaction Revenue  - Type: number
-    tax: 996.09,                               //Transaction Tax - Type: number
+    tax: 525.06,                               //Transaction Tax - Type: number
     shipping: 0.00,                            //Transaction Shipping - Type: number
     transaction_id: 'abc123',                  //Required. Transaction ID - Type: string
     coupon: 'coupon',                          //The coupon name/code associated with the event - Type: string
     items: [{
-      item_name: 'REDA ESP - Gas Handler',             //Product Name - Type: string
+      item_name: 'ECLIPSE Blackoil Reservoir Simulation',        //Product Name - Type: string
-      item_id: 'Reda-Esp-Gas-Handler',                 //Product ID/SKU - Type: string
+      item_id: '71274',                                //Product ID/SKU - Type: string
-      price: 11130.00,                                 //Product price - Type: number
+      price: 4000.00,                                  //Product price - Type: number
       currency: 'USD',                                 //Currency of the price that is collected - Type: string
       discount: 0.00,                                  //Any discount associated with this product - Type: number
-      affiliation: 'sals',                             //Vendor - Type: string
+      item_brand: 'Oil and Gas Software',              //Product Brand - Type: string
-      item_brand: 'schlumberger',                      //Product Brand - Type: string
+      item_category: 'Schlumberger Software',          //Product Category - Type: string
-      item_category: 'Production',                     //Product Category - Type: string
+      item_category2: 'Indonesia',                     //Product Sub-Category 1 - Type: string
-      item_category2: 'Electrical Submersible Pumps',  //Product Sub-Category 1 - Type: string
+      item_category3: 'Jakarta',                       //Product Sub-Category 2 - Type: string
-      item_category3: 'REDA ESP - Gas Handler',                //Product Sub-Category 2 - Type: string
+      item_variant: 'Foundation',                      //Variant of the product - variant SKU/ID - Type: string
-      item_category4: 'Gas Volume Fraction 75%',                //Product Sub-Category 3 - Type: string
+
-      item_category5: 'item_category5',                //Product Sub-Category 4 - Type: string
+
-      item_variant: '102761535',                       //Variant of the product - variant SKU/ID - Type: string
+      // Another item.
     }]
   }
-      item_name: 'Tiger Bullets',             //Product Name - Type: string
+