code: def __init__(self, callback_name: str) -> None:
      self.name = callback_name
      log.info(f"Init {self.name}")
  
file_path: hydra/tests/test_apps/app_with_callbacks/custom_callback/my_app.py
imports: import logging
  from typing import Any
  from omegaconf import DictConfig, OmegaConf
  import hydra
  from hydra.core.utils import JobReturn
  from hydra.experimental.callback import Callback
label_desc: Use image node_id 1 to create a new CustomCallback object from inherited base classes: Callback with example: obj = CustomCallback(callback_name)