purchase event data layer

<script>
window.dataLayer = window.dataLayer || [];
dataLayer.push({
  'ecommerce': {
    'event': 'eePurchaseEvent',
    'purchase': {
      'actionField': {
        'id': 'T12345',                         // #Musthave Transaction ID= OrderId. Required for purchases and refunds.
        'revenue': '35.43',                     // #Musthave Total transaction value (incl. tax and shipping)
        'tax':'4.90',                           //#Nicetohave
        'shipping': '5.99',                     //#Nicetohave
        'coupon': 'SUMMER_SALE',                //#Musthave
        'option': 'Domestic Card'    // payment method //#Musthave
      },
      'products': [{                            // List of productFieldObjects. Create a for loop for an order containing many products
        'name': 'Triblend Android T-Shirt',     //#Musthave Name or ID is required.
        'id': '12345',                          //#Nicetohave
        'price': '15.25',                       //#Musthave
        'brand': 'Google',                      //#Nicetohave
        'category': 'Apparel',                  //#Musthave
        'variant': 'Gray',                      //#Nicetohave
        'quantity': 1,                          //#Nicetohave
        'coupon': 'product_coupon'              //#Musthave
       },
       {
        'name': 'Donut Friday Scented T-Shirt',
        'id': '67890',                          //#Nicetohave
        'price': '33.75',                       //#Musthave
        'brand': 'Google',                      //#Nicetohave
        'category': 'Apparel',                   //#Musthave
        'variant': 'Black',                     //#Nicetohave
        'quantity': 1                           //#Nicetohave
         'coupon': 'product_coupon'             //#Musthave
       }]
    }
  }
});
</script>
</script>