def event_history_cli
      match = config_get('bgp', 'event_history_cli', @get_args)
      return unless match.is_a?(Array)
      return 'false' if match[0] == 'no '
      return unless match[1]
      return match[1] if match[1][/\A\d+\z/]
      'size_' + match[1]
    end
def event_history_cli
      match = config_get('bgp', 'event_history_cli', @get_args)
      return unless match.is_a?(Array)
      return 'false' if match[0] == 'no '
      return unless match[1]
      return match[1] if match[1][/\A\d+\z/]
      'size_' + match[1]
    end
event-history
 event-history cli [ size <size> ]
 Nvgen as True With optional 'size <size>