Watchlists

 using cAlgo.API;
 using System.Linq;
 namespace cAlgo
 {
     [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class WatchlistSample : Indicator
     {
         protected override void Initialize()
         {
             Print("Number of Watchlists: ", Watchlists.Count());
             foreach (var watchlist in Watchlists)
             {
                 Print("Watchlist Name: {0} | Symbols #: {1}", watchlist.Name, watchlist.SymbolNames.Count);
             }
         }
         public override void Calculate(int index)
         {
         }
     }
 }

 import clr
 clr.AddReference("cAlgo.API")
 from cAlgo.API import *
 class Test():
     def initialize(self):
         print(f"Number of Watchlists: {len(list(api.Watchlists))}")
         for watchlist in api.Watchlists:
             print(f"Watchlist Name: {watchlist.Name} | Symbols #: {watchlist.SymbolNames.Count}")