ConsoleCommand return

Hello, how Can I recover The Answer on a console command ?
I execute a console command of this way:
ConsoleSystem.Run.Server.Normal ( "cmd" ) ;
Would I know and his return ( the response of command)

 

Try: arg.ReplyWith

 

Code:

ConsoleSystem.Run.Server.Normal("eco.c balance "+monsteamID+"");

How i can use your command with my command?
Thanks per advance