code: def _add_command(self, name, **parameters):
          
          command = self._create_command(name, **parameters)
          self._commands.append(command)
  
          return command
docs: Add a new command to the blueprint.
  
          :param name: The command name
          :type name: str
  
          :param parameters: The command parameters
          :type parameters: dict
  
          :rtype: Fluent