GA4 EC - Rudan Hotels - purchase

window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
  event: 'purchase',            // name of the event. In this case, it always must be purchase
  ecommerce: {
    currency: 'EUR',
    value: 250.00,                      // total price of the reservation
    transaction_id: 'abc123',           // reservation id
    items: [{                           // an array with all products (that were in a cart when the checkout began)
      item_name: 'Hotel Terme Jezerčica',           // insert an actual accommodation name
      item_id: 'accommodation1',             // insert an actual accommodation ID
      price: '250.00',                  // insert an actual accommodation price. Number or a string. Don't include currency code
      item_category: 'Hotels',          // insert an actual accommodation top-level category
      item_variant: 'Standard twin room, balcony', // insert room type or similar
      accommodation_location: 'Donja Stubica',        // insert a accommodation location
      check_in_date: '15.05.2026.',     // check in date
      check_out_date: '16.05.2026.',        // check out date
      number_of_nights: '1'
      number_of_adults: '4',        // number of adults
      number_of_children: '3',      // number of children
      quantity: '1'                     // product quantity of accommodations, usually always 1
    }]
  }
});