src/Controller/Component/ListFilterComponent.php
public function filterUrlParameterStatus()
    {
        foreach ($this->_controller->request->query as $arg => $value) {
            if (substr($arg, 0, 7) == 'Filter-') {
                return true;
            }
        }

        return false;
    }
public function filterUrlParameterStatus()
    {
        foreach ($this->_controller->request->query as $arg => $value) {
            if (substr($arg, 0, 7) == 'Filter-') {
                return true;
            }
        }

        return false;
    }
checks URL for any Filter Parameter

@return bool