public function duplicate()
    {
        $record = $this->initExistingItem();

        $record->duplicate();

        $url = $this->getAfterUrl(
            "after-duplicate",
            $this->getModelManager()->getURL()
        );

        $flashName = $this->getAfterFlashName(
            "after-duplicate",
            $this->getModelManager()->getController()
        );

        $this->flashRedirect(
            $this->getModelManager()->getMessage('duplicate'),
            $url,
            'success',
            $flashName
        );
    }