This filter can be used for changing the value of the checkbox field printed under the comment.
Changelog
Since 7.0.0 version
Parameters
1. $value (type: string) - the value of the field
2. $args (type: array) - the arguments filled as the values of a fields
Usage
add_filter("wpdiscuz_custom_field_checkbox", function ($value, $args) {
$value .= ", Custom Text";
return $value;
}, 10, 2);