docstr: Returns file name.
code: def name(self):
      """Returns file name."""
      return self._name
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import datetime
  from yattag import Doc, indent
label_desc: Use image node_id 5 for calling the CustomHtml obj's underlying member method code with example usage: obj.name() and returns: self