/** * Initialize unique scope for permission * * @return Enterprise_CatalogPermissions_Model_Mysql4_Permission */ protected function _initUniqueFields() { parent::_initUniqueFields(); $this->_uniqueFields[] = array('field' => array('category_id', 'website_id', 'customer_group_id'), 'title' => Mage::helper('enterprise_catalogpermissions')->__('Permission with the same scope')); }