code: def get_command(self, ctx, cmd_name):
          
  
          if cmd_name not in self.all_cmds:
              return None
          return EventTypeSubCommand(self.events_lib, cmd_name, self.all_cmds[cmd_name])
docs: gets the subcommands under the service name
  
          Parameters
          ----------
          ctx : Context
              the context object passed into the method
          cmd_name : str
              the service name
          Returns
          -------
          EventTypeSubCommand:
              returns subcommand if successful, None if not.