class_docstr: Hyper Parameter Tuning
class_docstr_tok: ["Hyper","Parameter","Tuning"]
docstr: Returns the metric used for benchmarking.
docstr_tok: ["Returns","the","metric","used","for","benchmarking","."]
code: def benchmark_metric(self):
      """Returns the metric used for benchmarking."""
      return self._benchmark_metric
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from xai.formatter.contents.base import Content
  from xai.formatter.writer.base import Writer
label_desc: Use image node_id 5 for calling the HyperParameterTuning obj's underlying member method code with example usage: obj.benchmark_metric() and returns: self