WooCommerce:自定义电子商务跟踪-差不多到了

使用下面引用的优秀资源和有用的评论，我构建了一个Wordpress插件（根据代码），将WooCommerce交易数据发送到自定义CRM。来自感谢页面。

然而，我陷入了困境。我可以发送交易价值、税收和运输详细信息，但似乎无法致电或发送：
a） 产品名称
b） 产品类别
c） 产品ID
d） 多个产品之间的产品拆分详细信息

非常感谢任何想法、链接或建议。这是一个新手，正在努力战斗。

<?php
/**
* Plugin Name: eCommerce Tracking
* Plugin URI: 
* Description: Send shopping data to CRM
* Version: 1.0
* Author: fly
* Author URI: 
* License: GPL2
*/
add_action( 'woocommerce_thankyou', 'my_custom_tracking' );
function my_custom_tracking( $order_id ) {

// Lets grab the order
$order = new WC_Order( $order_id );
// Order ID
$order_id = $order->get_order_number();
// Order total
$order_total = $order->get_total();
// Order e-mail
$order_email = $order->billing_email;
// Order Billing First Name
$order_fname = $order->billing_first_name;
// Order Billing Last Name
$order_lname = $order->billing_last_name;
// Order Billing Address 1
$order_bill1 = $order->billing_address_1;
// Order Billing Address 2
$order_bill2 = $order->billing_address_2;
// Billing City
$order_billcity = $order->billing_city;
// Billing State
$order_billstate = $order->billing_state;
// Billing Postcode
$order_billpostcode = $order->billing_postcode;
// Billing Country
$order_billcountry = $order->billing_country;
// Billing Phone
$order_billphone = $order->billing_phone;
// Order Tax Cost
$order_tax = $order->order_tax;
// Order Shipping Cost
$order_shippingcost = $order->order_shipping;
// Order Currency
$order_currency = $order->order_currency;
// Product Category
$order_category = $order->term_id;
// Product Name
$order_product = $order->item_id;
// Product Quantity
$order_quantity = $order->quantity;
// Product SKU
$order_sku = $order->sku;
// Product Price
$order_price = $order->price;

?>

<!-- Start Tracking code -->
<script type="text/javascript">
var _ss = _ss || [];
_ss.push(['_setDomain', 'xxxxxxxx']);
_ss.push(['_setAccount', 'xxxxxxx']);
_ss.push(['_trackPageView']);
(function() {
var ss = document.createElement('script');
ss.type = 'text/javascript'; ss.async = true;
ss.src = ('https:' == document.location.protocol ? 'https://' :     
'http://') + 'koi-3Q40EJNC5K.marketingautomation.services/client/ss.js?  
ver=1.1.1';
var scr = document.getElementsByTagName('script')[0];
scr.parentNode.insertBefore(ss, scr);
})();
</script>

<script type='text/javascript'>
_ss.push(['_setTransaction', {
    'transactionID': '<?php echo $order_id; ?>',
    'storeName': 'Reco Surfaces',
    'total': '<?php echo $order_total; ?>',
    'tax': '<?php echo $order_tax; ?>',
    'shipping': '<?php echo $order_shippingcost; ?>',
    'city': '<?php echo $order_billcity; ?>',
    'state': '<?php echo $order_billstate; ?>',
    'zipcode': '<?php echo $order_billpostcode; ?>',
    'country': 'UK',
    'firstName' : '<?php echo $order_fname; ?>', 
    'lastName' : '<?php echo $order_lname; ?>', 
    'emailAddress' : '<?php echo $order_email ?>' 
}, function() {
    _ss.push(['_addTransactionItem', {
        'transactionID': '<?php echo $order_id; ?>',
        'itemCode': '<?php echo $order_sku; ?>',
        'productName': '<?php echo $order_product; ?>',
        'category': '<?php echo $order_category; ?>',
        'price': '<?php echo $order_price; ?>',
        'quantity': '<?php echo $order_quantity; ?>'
    }]);
    _ss.push(['_completeTransaction', {
        'transactionID': '<?php echo $order_id; ?>'
    }]);
}]);
</script>

 <!-- End Tracking code -->
 <?php
 }