Craft\RetourService::saveRedirect PHP Method

    public function saveRedirect($redirectsModel)
    {
        if (isset($redirectsModel)) {
            $result = $this->getRedirectByElementId($redirectsModel->associatedElementId, $redirectsModel->locale);
            if ($result) {
                $result->setAttributes($redirectsModel->getAttributes(), false);
                $error = $result->save();
            } else {
                $error = $this->createRedirect($redirectsModel);
            }
            RetourPlugin::log(print_r($error, true), LogLevel::Info, false);
        }
    }