docstr: Adds next story steps with the user's utterances.
  
  Args:
      messages: User utterances.
docstr_tok: ["Adds","next","story","steps","with","the","user","'s","utterances",".","Args",":","messages",":","User","utterances","."]
code: def add_user_messages(self, messages: List[UserUttered]) -> None:
      """Adds next story steps with the user's utterances.
  
      Args:
          messages: User utterances.
      """
      self.add_events(messages)
  
file_path: rasa/rasa/shared/core/training_data/story_reader/story_step_builder.py
imports: import logging
  from typing import Text, Optional, Dict, Any, List
  import rasa.shared.core.training_data.structures
  import rasa.shared.utils.io
  from rasa.shared.constants import DOCS_URL_STORIES
  from rasa.shared.core.events import UserUttered, Event
  from rasa.shared.core.training_data.structures import Checkpoint, GENERATED_CHECKPOINT_PREFIX, GENERATED_HASH_LENGTH, STORY_START, StoryStep, RuleStep
label_desc: Use image node_id 4 for calling the StoryStepBuilder obj's underlying member method code with example usage: obj.add_user_messages(messages) without return types