protected function _getEventName($action, $event = self::EVENT_NAME_BEFORE)
    {
        $details = [];
        if ($prefix = $this->_request->getParam('prefix')) {
            $details[] = ucfirst($prefix);
        }

        $details = Hash::merge($details, [
            'Controller',
            $this->_controller->getName(),
            $event . Inflector::camelize($action),
            'Process',
        ]);

        return implode('.', $details);
    }