Relative Strength Index (Bar Color UI)

using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;

namespace cAlgo
{
    [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class Yo : Indicator
    {


        [Parameter("Periods", DefaultValue = 337)]
        public int perid { get; set; }

        [Parameter("OHLC ")]
        public DataSeries Source { get; set; }




        [Parameter(DefaultValue = 70)]
        public int MaxLevel { get; set; }

        [Parameter(DefaultValue = 30)]
        public int MinLevel { get; set; }







        protected override void Initialize()
        {

            var vma = Indicators.RelativeStrengthIndex(Source, perid);



        }

        public override void Calculate(int index)
        {
            var Price = Source;

            var vma = Indicators.RelativeStrengthIndex(Source, perid);


            if (vma.Result.LastValue > MaxLevel)
            {

                Chart.SetBarColor(Price.Count, Color.FromHex("#00868A"));
            }

            if (vma.Result.LastValue < MinLevel)
            {
                Chart.SetBarColor(Price.Count, Color.FromHex("#D19292"));

            }
            return;


        }
    }
}