code: def log_metrics(self, metrics, step):
      # metrics is a dictionary of metric names and values
      # your code to record metrics goes here
      core_v2.train.report_training_metrics(step, metrics)
  
file_path: determined/harness/determined/lightning/experimental.py
imports: from typing import Optional
  from lightning.pytorch import utilities
  from lightning.pytorch.loggers import logger
  from determined import experimental
  from determined.experimental import core_v2
label_desc: Use image node_id 6 for calling the DetLogger obj's underlying member method code with example usage: obj.log_metrics(metrics, step) without return types