laravel try catch integrity duplicate entry

1according to this sample:
2
3
4    public function store(ServiceStoreRequest $request, int $id)
5    {
6        $service = new Serviceable();
7        $service->package_id = $id;
8        $service->fill($request->all());
9        try {
10            $service->save();
11        } catch (\Exception $exception) {
12            return response(array(
13                "code"=> 409,
14                "error"=>"duplicate " . $exception->getMessage()));
15        }
16        return response($service);
17    }