“wpcfe_label_from_info” action hook that allow to add additional information in the label template under “FROM” section.
Copy and paste the following code in the them functions.php for sample result.
add_action('wpcfe_label_from_info', function( $shipment_id ){
?>
<p style="font-size:18px;"><strong>Desclaimer:</strong> It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout.</p>
<?php
});