public function index()
 {
     $now = Carbon::now()->toDateTimeString();
     $now2 = Carbon::now()->subMonth(6)->toDateTimeString();
     $Caracteristicas = Caracteristica::whereBetween('updated_at', [$now2, $now])->orderBy('nombre', 'asc')->paginate(15);
     //$this->castFunctionsDate($Funciones);
     // dd($Funciones);
     return view('Caracteristicas/Caracteristicas')->with(['Caracteristicas' => $Caracteristicas]);
 }