ChartEquidistantChannel

 using cAlgo.API;
 namespace cAlgo
 {
     // A sample indicator for showing how to use Chart.DrawEquidistantChannel method
     [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class EquidistantChannelSample : Indicator
     {
         protected override void Initialize()
         {
             var channel = Chart.DrawEquidistantChannel("EquidistantChannel", Chart.FirstVisibleBarIndex, Bars.LowPrices[Chart.FirstVisibleBarIndex], Chart.LastVisibleBarIndex, Bars.HighPrices[Chart.LastVisibleBarIndex], 20 * Symbol.PipSize, Color.Red);
             channel.IsInteractive = true;
         }
         public override void Calculate(int index)
         {
         }
     }
 }

 import clr
 clr.AddReference("cAlgo.API")
 from cAlgo.API import *
 class Test():
     def initialize(self):
         channel = api.Chart.DrawEquidistantChannel("EquidistantChannel", api.Chart.FirstVisibleBarIndex, api.Bars.LowPrices[api.Chart.FirstVisibleBarIndex], api.Chart.LastVisibleBarIndex, api.Bars.HighPrices[api.Chart.LastVisibleBarIndex], 20 * api.Symbol.PipSize, Color.Red)
         channel.IsInteractive = True