def METHOD_NAME(benchmark_spec):
  """Update the benchmark_spec with supplied command line flags.
  Args:
    benchmark_spec: benchmark specification to update
  """
  benchmark_spec.model = FLAGS.t2t_model
  benchmark_spec.problem = FLAGS.t2t_problem
  benchmark_spec.train_steps = FLAGS.t2t_train_steps
  benchmark_spec.eval_steps = FLAGS.t2t_eval_steps
  benchmark_spec.data_dir = FLAGS.t2t_data_dir
  benchmark_spec.hparams_set = FLAGS.t2t_hparams_set