public function getVazby($id = null)
    {
        if (is_null($id)) {
            $id = $this->getRecordID();
        }
        if (!empty($id)) {
            $vazbyRaw = $this->getColumnsFromFlexibee(['vazby'],
                ['relations' => 'vazby', 'id' => $id]);
            $vazby    = array_key_exists('vazby', $vazbyRaw[0]) ? $vazbyRaw[0]['vazby']
                    : null;
        } else {
            throw new \Exception(_('ID requied to get record relations '));
        }
        return $vazby;
    }