Example of WooCommerce Conversion Tracking for Products

wc-tracking-products-example.php

function prefix_service_conversion_tracking( $order_id ) {
	
	// Lets grab the order
	$order = new WC_Order( $order_id );
	
	// Products
	$products = $order->get_items();
	?>
	
	<script>
		window['service'].push(['track', 'products', [
		<?php
		$count = 0;
		foreach( $products as $item_id => $item ) {
			$count++;
			$product = $order->get_product_from_item( $item ); ?>
		    {
		        sku: '<?php echo $product->get_sku(); ?>',
		        price: '<?php echo $order->get_line_subtotal( $item ); ?>',
		        quantity: '<?php echo $item['qty']; ?>'
		    }<?php if ( count( $order->get_items() ) > $count ) { echo ","; } ?>
		<?php } ?>
		]]);
	</script>
	<?php
}
add_action( 'woocommerce_thankyou', 'prefix_service_conversion_tracking' );