code: def _parse_job_specific_counters(self, init_config):
          
          job_counter = {}
  
          if init_config.get('job_specific_counters'):
  
              # Parse the custom metrics
              for job in init_config['job_specific_counters']:
                  job_name = job.get('job_name')
                  metrics = job.get('metrics')
  
                  if not job_name:
                      raise Exception('Counter metrics must have a "job_name"')
  
                  if not metrics:
                      raise Exception("Jobs specified in counter metrics must contain at least one metric")
  
                  # Add the job to the custom metrics if it doesn't already exist
                  if job_name not in job_counter:
                      job_counter[job_name] = {}
  
                  for metric in metrics:
                      counter_group_name = metric.get('counter_group_name')
                      counters = metric.get('counters')
  
                      if not counter_group_name:
                          raise Exception('Each counter metric must contain a valid "counter_group_name"')
  
                      if not counters:
                          raise Exception('Each counter metric must contain a list of "counters"')
  
                      # Add the counter group name if it doesn't exist for the current job
                      if counter_group_name not in job_counter[job_name]:
                          job_counter[job_name][counter_group_name] = []
  
                      for counter in counters:
                          counter_name = counter.get('counter_name')
  
                          if not counter_name:
                              raise Exception('At least one "counter_name" should be specified in the list of "counters"')
  
                          job_counter[job_name][counter_group_name].append(counter_name)
  
          return job_counter
docs: Return a dictionary for each job counter
          {
            job_name: {
              counter_group_name: [
                  counter_name
                ]
              }
            }
          }