public function cpanel($module, $function, $username, $params = array())
    {
        $action = 'cpanel';
        $params = array_merge($params, [
            'cpanel_jsonapi_version' => 2,
            'cpanel_jsonapi_module' => $module,
            'cpanel_jsonapi_func' => $function,
            'cpanel_jsonapi_user' => $username,
        ]);

        $response = $this->runQuery($action, $params);
        return $response;
    }