View difference between Paste ID: Mkbdect1 and 9ZFppfF0

 window.dataLayer = window.dataLayer || [];
 window.dataLayer.push({
   event: 'purchase',  			// name of the event. In this case, it always must be add_to_cart
   ecommerce: {
     items: [{							// an array with a product (or multiple products) that was added to a cart
-      item_name: 'pro_monthly', 			// insert an actual product name
+      item_name: 'pro_annual', 			// insert an actual product name
-      price: '89.99',					// insert an actual product price. Number or a string. Don't include currency code
+      price: '900',					// insert an actual product price. Number or a string. Don't include currency code
       currency: 'USD'
     }]
   }
 });