How-to-get-all-indicators-as-a-list

CODE:
using System;
using WealthLab.Backtest;
using WealthLab.Core;
using WealthLab.Indicators;

namespace WealthScript12
{
    public class MyStrategy : UserStrategyBase
    {

      public override void Initialize(BarHistory bars)
      {
         foreach (var item in IndicatorFactory.Instance.Smoothers)
         {
            WriteToDebugLog($"{item.Abbreviation,-20}\t{item.Name,-40}\t{item.Parameters}");
         }

         foreach (var item in IndicatorFactory.Instance.Oscillators)
         {
            WriteToDebugLog($"{item.Abbreviation,-20}\t{item.Name,-40}\t{item.Parameters}");
         }
      }

        public override void Execute(BarHistory bars, int idx)
        {  }
    }
}