class_docstr: Categorical Field Distribution
class_docstr_tok: ["Categorical","Field","Distribution"]
docstr: Returns field name.
code: def field_name(self):
      """Returns field name."""
      return self._field_name
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from typing import Tuple, Dict
  from xai.data import explorer
  from xai.formatter.contents.base import Content
  from xai.formatter.writer.base import Writer
label_desc: Use image node_id 2 for calling the CategoricalFieldDistribution obj's underlying member method code with example usage: obj.field_name() and returns: self