class_docstr: A wrapper for schema for a service.
class_docstr_tok: ["A","wrapper","for","schema","for","a","service","."]
code: def get_slot_from_id(self, slot_id):
      return self._slots[slot_id]
  
imports: import json
  from typing import List, Optional, Union
  from nemo.utils import logging
label_desc: Use image node_id 15 for calling the ServiceSchema obj's underlying member method code with example usage: obj.get_slot_from_id(slot_id) and returns: self