correct way to place overbought and oversold parameters of the RSI

Hi guys, please. what is the correct way to place overbought and oversold parameters of the RSI? thank you for the kindness

 [Parameter("Source")]

        public DataSeries Source { get; set; }



        [Parameter("Periods", DefaultValue = 14)]
        public int Periods { get; set; }


        [Parameter("overbought", DefaultValue < 60)]
        public double overbought { get; set; }
       

        [Parameter("oversold", DefaultValue > 40)]
        public double oversold { get; set; }