State And Session

Example	Description
Agentic Session State	Let the agent update its own session_state shopping list with enable_agentic_state.
Chat History	Persist chat history in Postgres and read it back with get_chat_history() between turns.
Dynamic Session State	Update session state inside a tool hook during an agent run.
Last N Session Messages	Search a user's previous sessions with search_past_sessions, capped at the last two by num_past_sessions_to_search.
Persistent Session	Persist agent sessions in Postgres with a fixed session_id so history carries across runs.
Session Options	Simple example demonstrating store_history_messages option.
Session State Advanced	Manage a shopping list in session_state with tools that add, remove, and list items through RunContext.
Session State Basic	Maintain a shopping list in session state and update it from a tool through RunContext.
Session State Events	Stream an agent run and read the final session state from RunCompletedEvent.
Session State Manual Update	Modify session state between runs with get_session_state() and update_session_state().
Session State Multiple Users	Separate process-local shopping lists by user and session.
Session Summary	Use the session summary to store the conversation summary.
Metadata Resolution	Demonstrates the three-layer metadata resolution for Agents: agent.metadata < session.metadata < call-site metadata.
Search Past Sessions	Demonstrates the two-step list-then-read pattern for accessing previous sessions.