Plot-Horizontal-line-in-Chart-indicator-pane

CODE:

using WealthLab.Backtest;
using System;
using WealthLab.Core;
using WealthLab.Indicators;
using System.Collections.Generic;

namespace WealthScript1 
{
    public class MyStrategy : UserStrategyBase
    {
        //create indicators and other objects here, this is executed prior to the main trading loop
        public override void Initialize(BarHistory bars)
        {
         rsi4 = RSI.Series(bars.Close, 4);
         rsi4.MassageColors = true;
         PlotIndicator(rsi4);
         DrawHorzLine(8.5, WLColor.LightBlue, 2, LineStyle.Dashed, rsi4.PaneTag);
        }

        //execute the strategy rules here, this is executed once for each bar in the backtest history
        public override void Execute(BarHistory bars, int idx)
        {
        }

      //declare private variables below
      private RSI rsi4;
    }
}