class_docstr: Example of a form validation action.
code: def name(self) -> Text:
      return "validate_restaurant_form"
  
file_path: rasa/examples/formbot/actions/actions.py
imports: from typing import Dict, Text, Any, List, Union
  from rasa_sdk import Tracker
  from rasa_sdk.executor import CollectingDispatcher
  from rasa_sdk.forms import FormValidationAction
label_desc: Use image node_id 1 for calling the ValidateRestaurantForm obj's underlying member method code with example usage: obj.name() and returns: str