Tracking purchases with Google Analytics and Facebook for Freemius Checkout

freemius-checkout-ga-fb-tracking.js

//
// Gist was kindly contributed by @jamesckemp from @iconicwp. Thanks!
//
handler.open({
  ...
  
  purchaseCompleted: function( response ) {
      var trial = response.purchase.trial_ends !== null,
          total = trial ? 0 : response.purchase.initial_amount.toString(),
          productName = 'Product Name',
          storeUrl = 'https://your-site.com',
          storeName = 'Store Name';

      if ( typeof fbq !== "undefined" ) {
          fbq( 'track', 'Purchase', { currency: 'USD', value: response.purchase.initial_amount } );
      }

      if ( typeof ga !== "undefined" ) {
          ga( 'send', 'event', 'plugin', 'purchase', productName, response.purchase.initial_amount.toString() );

          ga( 'require', 'ecommerce' );

          ga( 'ecommerce:addTransaction', {
              'id': response.purchase.id.toString(), // Transaction ID. Required.
              'affiliation': storeName, // Affiliation or store name.
              'revenue': total, // Grand Total.
              'shipping': '0', // Shipping.
              'tax': '0' // Tax.
          } );

          ga( 'ecommerce:addItem', {
              'id': response.purchase.id.toString(), // Transaction ID. Required.
              'name': productName, // Product name. Required.
              'sku': response.purchase.plan_id.toString(), // SKU/code.
              'category': 'Plugin', // Category or variation.
              'price': response.purchase.initial_amount.toString(), // Unit price.
              'quantity': '1' // Quantity.
          } );

          ga( 'ecommerce:send' );

          ga( 'send', {
              hitType: 'pageview',
              page: '/purchase-completed/',
              location: storeUrl + '/purchase-completed/'
          } );
      }
  },
  
  ...
});

Gist was kindly contributed by @jamesckemp from @iconicwp. Thanks!

Hi ,
would you elaborate where we add this code in the plugin. we have Facebook pixel code in the header of plugin's pages. OR add it to other page? waiting for your reply.
Many thanks
irfan Qasim

@vovafeldman
Please where to add in plugin and how to add a custom script or a tracking pixel?
Sales tracking is very essential for good PPC marketing.