code: def build(self) -> Notifier:
      notifier = Notifier()
      for sub_config in self.config.values():
          notif_type = sub_config["type"]
          notif_id = sub_config["id"]
          args = sub_config["arguments"]
          if sub_config["status"] != "enabled":
              continue
          try:
              notif_cls = self._factories[notif_type]
          except KeyError:
              logger.warning(
                  f"Unknown notifier type {notif_type}. Skipping."
              )
          else:
              sub_notifier = notif_cls(notif_id, args)
              notifier.add(sub_notifier)
      return notifier
  
file_path: aim/aim/ext/notifier/notifier_builder.py
imports: import logging
  from aim.ext.notifier.logging_notifier import LoggingNotifier
  from aim.ext.notifier.slack_notifier import SlackNotifier
  from aim.ext.notifier.workplace_notifier import WorkplaceNotifier
  from aim.ext.notifier.notifier import Notifier
label_desc: Use image node_id 2 for calling the NotifierBuilder obj's underlying member method code with example usage: obj.build() and returns: notifier