type; $def['dbType'] = 'id'; $def['studio'] = 'visible'; $def['function'] = array('name'=>'getCurrencyDropDown', 'returns'=>'html'); return $def; } function save($df){ if(!$df->fieldExists($this->name)) parent::save($df); } function delete($df){ if(!$df->fieldExists(null, 'currency')) { parent::delete($df); } } } ?>