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Giles Odigwe d02051dbb6 Python: Add propagate_session to as_tool() for session sharing in agent-as-tool scenarios (#4439 )

* Python: Add propagate_session parameter to as_tool() for session sharing

Add opt-in session propagation in agent-as-tool scenarios. When
propagate_session=True, the parent agent's AgentSession is forwarded
to the sub-agent's run() call, allowing both agents to share session
state (history, metadata, session_id).

- Add propagate_session parameter to BaseAgent.as_tool() (default False)
- Include session in additional_function_arguments so it flows to tools
- Add 3 tests for propagation on/off and shared state verification
- Add sample showing session propagation with observability middleware

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Clarify propagate_session docstring per review feedback

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

d02051dbb6 · 2026-03-04 23:14:17 +00:00

History

agent_as_tool_with_session_propagation.py

Python: Add propagate_session to as_tool() for session sharing in agent-as-tool scenarios (#4439 )

2026-03-04 23:14:17 +00:00

control_total_tool_executions.py

Python: Add max_function_calls to FunctionInvocationConfiguration (#2329 ) (#4175 )

2026-02-24 01:00:25 +00:00

function_invocation_configuration.py

Python: Add load_dotenv() to samples for .env file support (#4043 )

2026-02-19 10:55:13 +00:00

function_tool_declaration_only.py