ChartTemplateIndicators

 using cAlgo.API;
 namespace cAlgo.Robots;
 [Robot(AccessRights = AccessRights.None, AddIndicators = true)]
 public class ChartTemplate : Robot
 {
     protected override void OnStart()
     {
         var template = ChartTemplates.Get("Template Name");
         if (template is null)
         {
             Print("Template not found");
             return;
         }
         template.Indicators.Add("Simple Moving Average", Bars.OpenPrices, 100);
     }
 }

 import clr
 clr.AddReference("cAlgo.API")
 # Import cAlgo API types
 from cAlgo.API import *
 # Import trading wrapper functions
 from robot_wrapper import *
 class Test():
     def on_start(self):
         template = api.ChartTemplates.Get("Template Name")
         if template is None:
             print("Template not found")
             return
         template.Indicators.Add("Sample Moving Average", Bars.OpenPrices, 100)