Method _find_user_message_for_invocation

src/google/adk/runners.py:1934–1947

Finds the user message that started a specific invocation.

(
      self, events: list[Event], invocation_id: str
  )

    return invocation_context

  def _find_user_message_for_invocation(
      self, events: list[Event], invocation_id: str
  ) -> Optional[types.Content]:
    """Finds the user message that started a specific invocation."""
    for event in events:
      if (
          event.invocation_id == invocation_id
          and event.author == 'user'
          and event.content
          and event.content.parts
          and event.content.parts[0].text
      ):
        return event.content
    return None

  def _create_invocation_context(self, **kwargs) -> InvocationContext:
    """Creates an InvocationContext instance."""