This filter can be used for adding new buttons or deleting the existing buttons on the comment form. You can also use it for changing the ordering of buttons.
Changelog
Since 7.0.0 version
Parameters
1. $editorButtons (type: array) – the array of the buttons displaying on the comment form
2. $uniqueId (type: string) – the unique ID of the form
Usage
add_filter("wpdiscuz_editor_buttons", function ($editorButtons, $uniqueId) {
$editorButtons[] = ["class" => "ql-custom-button", "value" => "", "name" => "custom", "svg" => "[-]"];
return $editorButtons;
}, 10, 2);