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{
  'event': 'order.confirmation',
  'ecommerce': {
    'purchase': {
      'actionField': {
        'id': order.id, //order number
        'affiliation': name, //site name
        'revenue': order.total_paid, //amount paid
        'tax': order.total_tax_paid, //VAT
        'shipping': order.total_shipping_paid, //including total shipping
      },
      'products': [
        {
          'id': item.id, // unique product number
          'name': item.name, //product name
          'category': item.type, //type: App\Plan, App\Product, App\AddonPlan
          'quantity': item.quantity, //quantity
          'price': item.price //product price
        },
      ],
    }
}