public function filterByHasscreenshot($hasscreenshot = null, $comparison = null)
    {
        if (is_string($hasscreenshot)) {
            $hasscreenshot = in_array(strtolower($hasscreenshot), array('false', 'off', '-', 'no', 'n', '0', '')) ? false : true;
        }

        return $this->addUsingAlias(MxmapTableMap::COL_HASSCREENSHOT, $hasscreenshot, $comparison);
    }