View difference between Paste ID: pfTZukXL and R8av8hbq

 function prettyText(x){
   return x.replaceAll('+', ' ')
   .replaceAll('%2C', ',')
   .replaceAll('%C5%A0', '\u0160') //Š
   .replaceAll('%%2B', '\u02D6') //+
   .replaceAll('%2B', '\u02D6') //+
   .replaceAll('%C5%A1', '\u0161') //š
   .replaceAll('%C4%8D', '\u010D') //č
   .replaceAll('%C4%8C', '\u010C') //Č
   .replaceAll('%C4%87', '\u0107') //ć
   .replaceAll('%C4%86', '\u0106') //Ć
   .replaceAll('%C7%84', '\u01C4') //DŽ
   .replaceAll('%C7%86', '\u01C6') //dž
   .replaceAll('%C4%91', '\u0111') //đ
   .replaceAll('%C4%90', '\u0110') //Đ
   .replaceAll('%C5%BE', '\u017E') //ž
   .replaceAll('%C5%BD', '\u017D');//Ž
 }
 
 function extractPrice(x){
   var pattern = '(\"total\"):((\d*\.?\d*)+)';
   const found = x.match(pattern);
   var newNumber = found[2];
   var p = newNumber.match(/[\d\.]+/);
 
   return p[0];
 }
 
 
 window.dataLayer = window.dataLayer || [];
 window.dataLayer.push({
   event: 'purchase',            // name of the event. In this case, it always must be purchase
   ecommerce: {
     currency: '{CURRENCY}',
-    coupon: '{PROMOCODE}',          // if coupon was applied to the reservation, include it here
+
     transaction_id: '{RESV}',           // transaction id
     coupon: '{PROMOCODE}',          // if coupon was applied to the reservation, include it here
 	affiliation: prettyText('{HOTELNAME}'),
     items: [{                           // an array with all accommodation units
       item_name: prettyText('{ROOMNAME}'),           // insert an actual accommodation unit name
       item_id: '{ROOMID}',              // insert an actual accommodation ID
       price: extractPrice('{MULTIROOM}'),                 // insert an actual product price. Number or a string. Don't include currency code
       item_category: prettyText('{HOTELNAME}'),         // insert an actual accommodation unit's top-level category
       item_category2: prettyText('{RATENAME}'),        // insert rate category
       quantity: '1',                    // product quantity, hardcoded value
       arrival_date: '{CHECKIN}', 		// insert check-in date
       departure_date: '{CHECKOUT}',		// insert check-out date
       booked_nights: '{NIGHTS}',		// insert total number of nights
       number_of_adults: '{ADULTS}',		// insert total number of adults
       number_of_children: '{CHD}',		// insert total number of children
     }]
   }
 });