docs: def do_loglevel(self, args, arguments):
          """
          ::
  
            Usage:
                loglevel
                loglevel critical
                loglevel error
                loglevel warning
                loglevel info
                loglevel debug
  
                Shows current log level or changes it.
  
                loglevel - shows current log level
                critical - shows log message in critical level
                error    - shows log message in error level including critical
                warning  - shows log message in warning level including error
                info     - shows log message in info level including warning
                debug    - shows log message in debug level including info
  
          """
          if arguments['debug']:
              self.loglevel = "DEBUG"
          elif arguments['error']:
              self.loglevel = "ERROR"
          elif arguments['warning']:
              self.loglevel = "WARNING"
          elif arguments['info']:
              self.loglevel = "INFO"
          elif arguments['critical']:
              self.loglevel = "CRITICAL"
          else:
              Console.ok("Log level: {0}".format(self.loglevel))
              return
          Console.ok ("Log level: {0} is set".format(self.loglevel))
  
          filename = path_expand("~/.cloudmesh/cmd3.yaml")
          config = ConfigDict(filename=filename)
          config["cmd3"]["properties"]["loglevel"] = self.loglevel
          config.write(filename=filename, output="yaml", attribute_indent="    ")