This action allows you to insert custom HTML before the reply form. The HTML will be added in the div with the .wpd-secondary-forms-social-content class.
Changelog
Added starting from 7.0.0 version.
Parameters
$form (type: Form object) - the object of the form
Usage
add_action("comment_reply_form_bar_top", function ($form) {
echo "Custom Message";
});