def METHOD_NAME(self, args=None):
    """
    Parse the arguments passed to the manager and perform the appropriate action.
    """
    options = self.parser.parse_args(args)
    if options.subparser_name == 'add':
        self.add_pipeline(options)
    elif options.subparser_name == 'modify':
        self.modify_pipeline(options)
    elif options.subparser_name == 'remove':
        self.remove_pipeline(options)