View difference between Paste ID: bdaqWMBq and 8ENE4Kqc

 window.dataLayer = window.dataLayer || [];
 window.dataLayer.push({
   event: 'purchase',  			// name of the event. In this case, it always must be purchase
   ecommerce: {
 	currency: 'PKR',
     value: 29.98,						// order total (price of all products + shipping)
     tax: 3.00,							// tax
     shipping: 5.00,					// shipping costs
     transaction_id: 'abc123',			// transaction id
     coupon: 'ENDOFSUMMER',			// if coupon was applied to the order, include it here
     items: [{							// an array with all products
       item_name: 'Product 1', 			// insert an actual product name
       item_id: 'product1',				// insert an actual product ID
       price: 11.99,					// insert an actual product price. Number or a string. Don't include currency code
       item_brand: 'brand A',			// insert an actual product price
       item_category: 'Apparel',			// insert an actual product top-level category
 
       quantity: '1',					// product quantity
 	  item_coupon: 'SUMMER20'			// if a coupon was applied not to the entire order but to one product, use item_coupon
-		item_app: 'Shopcast'
+		item_app: 'Shopcast'			//if a product that appears is from the recommended products then Shopcast should appear here otherwise it should be emply
-		item_model:'user_to_item'
+		item_model:'user_to_item'		//if the product is from the recommended products then the respective model should come here i.e. user_to_item, item_to_item or top_rated
     },{
       item_name: 'Product 2',
       item_id: 'product2',
       price: 12.99,
       item_brand: 'Brand B',
       item_category: 'Category B',
       item_variant: 'Yellow',
       quantity: '1'
-	item_app: 'Shopcast'
+		item_app: 'Shopcast'				//if a product that appears is from the recommended products then Shopcast should appear here otherwise it should be empty
-		item_model:'user_to_item'
+
 item_model:'user_to_item'		//if the product is from the recommended products then the respective model should come here i.e. user_to_item, item_to_item or top_rated
 
     }]
   }
 });
     }]
   }
 });