Make the Commens block field required in GiveWP forms

make_comment_required.php

<?php
add_action('givewp_donation_form_schema', function($form) {
    $comment = $form->getNodeByName('comment');
    // if the comment field is not found, return
    if (!$comment) {
        return;
    }

    // require field
    $comment->required(true);
	
   
});