def handoff(agent: 'Agent', tool_name_override: Optional[str], tool_description_override: Optional[str], on_handoff: Optional[Callable], input_type: Optional[type], input_filter: Optional[Callable[[HandoffInputData], HandoffInputData]], config: Optional[HandoffConfig], context_policy: Optional[str], timeout_seconds: Optional[float], max_concurrent: Optional[int], detect_cycles: Optional[bool], max_depth: Optional[int], tool_policy_mode: Optional[Literal['intersect', 'passthrough']], blocked_tools: Optional[List[str]]) -> Handoff

from praisonaiagents import Agent, handoff, HandoffConfig, HandoffToolPolicy

    billing_agent = Agent(name="Billing Agent")
    refund_agent = Agent(name="Refund Agent") 

    # Simple usage (secure by default - tools intersected)
    triage_agent = Agent(
        name="Triage Agent",
        handoffs=[billing_agent, handoff(refund_agent)]
    )

    # With tool security config
    triage_agent = Agent(
        name="Triage Agent", 
        handoffs=[
            handoff(billing_agent, 
                    tool_policy_mode="intersect",  # Only shared tools
                    blocked_tools=["execute_code", "shell_tools"]),
            handoff(refund_agent,
                    config=HandoffConfig(
                        tool_policy=HandoffToolPolicy(
                            mode="passthrough",  # Legacy behavior
                            blocked_tools=["dangerous_tool"]
                        )
                    ))
        ]
    )