class_docstr: This module provides access to data in the TOD conversations format.
  
  See core/tod.py for more info about the format.
code: def get_id_task_prefix(self):
      return (
          "TodJson_#"
          + os.path.basename(self.opt["jsonfile_datapath"]).split(".")[
              0
          ]
          + "#"
      )
  
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.utils.data import DatatypeHelper
  import parlai.core.tod.tod_agents
  import parlai.core.tod.tod_core
  import json
  import os
label_desc: Use image node_id 6 for calling the JsonTodParser obj's underlying member method code with example usage: obj.get_id_task_prefix() and returns: unknown