This filter can be used for adding some HTML after the reply button.
Changelog
Since 7.0.0 version
Parameters
1. $html (type: string) – the HTML that should be added after the reply button
2. $comment (type: WP_Comment object) – the object of the current comment
3. $user (type: WP_User object) – the user object of the current comment author
4. $currentUser (type: WP_User object) – the object of the current comment
Usage
add_filter("wpdiscuz_after_reply_button", function ($html, $comment, $user, $currentUser) {
$html .= "Custom Message";
return $html;
}, 10, 4);