code: def run(
      self,
      dispatcher: CollectingDispatcher,
      tracker: Tracker,
      domain: Dict,
  ) -> List[EventType]:
      dispatcher.utter_message("validate_some_slot")
      return [SlotSet("some_slot", "sdk")]
  
file_path: rasa/examples/rules/actions/actions.py
imports: from typing import Dict, Text, List
  from rasa_sdk import Tracker
  from rasa_sdk.events import EventType
  from rasa_sdk.executor import CollectingDispatcher
  from rasa_sdk import Action
  from rasa_sdk.events import SlotSet
label_desc: Use image node_id 2 for calling the ValidateSlots obj's underlying member method code with example usage: obj.run(dispatcher, tracker, domain) and returns: list