/** * Save system config event * * @param Varien_Object $observer */ public function saveSystemConfig($observer) { $store = $observer->getStore(); $website = $observer->getWebsite(); $groups['settings']['fields']['cron_schedule']['value'] = $this->_getSchedule(); Mage::getModel('adminhtml/config_data')->setSection('feed')->setWebsite($website)->setStore($store)->setGroups($groups)->save(); }