“before_wpcargo_shipment_history” action hooks allows you to add additional shipment information before the shipment history section.
Note: use “after_wpcargo_shipment_history” to display the data after the shipment history.
Copy and paste the following code to test how the action hook works.

function my_custom_data(){
?>
<div class="my-4">
<h2>My Custom Data</h2>
<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec odio. Quisque volutpat mattis eros. Nullam malesuada erat ut turpis. Suspendisse urna nibh, viverra non, semper suscipit, posuere a, pede.</p>
<p>Donec nec justo eget felis facilisis fermentum. Aliquam porttitor mauris sit amet orci. Aenean dignissim pellentesque felis.</p>
</div>
<?php
}
add_action('before_wpcargo_shipment_history', 'my_custom_data');