Is the list_events() function deprecated?

[xuanyang15]

I was following the official Python API reference and tried to implement the list_events() functions but turns out the code base does not have a list_events() function implemented in any of the session classes.

Has this function been deprecated?

[xuanyang15]

Response from ADK Answering Agent

TLDR: The list_events() method on the session service has been removed. You can now access the event history directly from the events attribute of a Session object.

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Hello! Thanks for your question.

The list_events() method that was previously on the BaseSessionService has been removed. This is noted in the documentation regarding breaking changes. [1]

The current and recommended way to access the event history for a session is to get it from the Session object itself. The Session object, which is a container for the state and history of a conversation, holds a list of all past events in its events attribute. [2]

You can access it like this:

# Assuming you have a runner and have created a session
runner = InMemoryRunner(agent=my_agent)
session = await runner.session_service.create_session(app_name="my-app")

# You can run your agent to generate some events
await runner.run(session=session, request="Hello")

# Now you can access the list of event objects
list_of_events = session.events

for event in list_of_events:
    print(event)

This will give you the full list of Event objects for that session.

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[1] https://github.com/google/adk-python/blob/main/AGENTS.md
[2] https://github.com/google/adk-docs/blob/main/docs/runtime/index.md