from signalwire.livewire import Agent, AgentSession, AgentServer, JobContext, function_tool, run_app
@function_tool
def check_balance(account_id: str) -> str:
"""Check an account balance."""
return f"Account {account_id} has $142.50."
@function_tool
def transfer_funds(from_acct: str, to_acct: str, amount: float) -> str:
"""Transfer funds between accounts."""
return f"Transferred ${amount} from {from_acct} to {to_acct}."
server = AgentServer()
@server.rtc_session()
async def entrypoint(ctx: JobContext):
await ctx.connect()
basic_agent = Agent(instructions="You help check balances.", tools=[check_balance])
session = AgentSession()
await session.start(basic_agent, room=ctx.room)
advanced_agent = Agent(instructions="You handle transfers.", tools=[transfer_funds])
session.update_agent(advanced_agent)
run_app(server)
