basic_agent_events.py
"""
Basic Agent Events
=============================
Basic Agent Events.
"""
import asyncio
from agno.agent import RunEvent
from agno.agent.agent import Agent
from agno.models.openai import OpenAIResponses
from agno.tools.yfinance import YFinanceTools
# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------
finance_agent = Agent(
id="finance-agent",
name="Finance Agent",
model=OpenAIResponses(id="gpt-5.2"),
tools=[YFinanceTools()],
)
async def run_agent_with_events(prompt: str):
content_started = False
async for run_output_event in finance_agent.arun(
prompt,
stream=True,
stream_events=True,
):
if run_output_event.event in [RunEvent.run_started, RunEvent.run_completed]:
print(f"\nEVENT: {run_output_event.event}")
if run_output_event.event in [RunEvent.tool_call_started]:
print(f"\nEVENT: {run_output_event.event}")
print(f"TOOL CALL: {run_output_event.tool.tool_name}") # type: ignore
print(f"TOOL CALL ARGS: {run_output_event.tool.tool_args}") # type: ignore
if run_output_event.event in [RunEvent.tool_call_completed]:
print(f"\nEVENT: {run_output_event.event}")
print(f"TOOL CALL: {run_output_event.tool.tool_name}") # type: ignore
print(f"TOOL CALL RESULT: {run_output_event.tool.result}") # type: ignore
if run_output_event.event in [RunEvent.run_content]:
if not content_started:
print("\nCONTENT:")
content_started = True
else:
print(run_output_event.content, end="")
# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
asyncio.run(
run_agent_with_events(
"What is the price of Apple stock?",
)
)
Run the Example
1
Set up your virtual environment
uv venv --python 3.12
source .venv/bin/activate
uv venv --python 3.12
.venv\Scripts\activate
2
Install dependencies
uv pip install -U agno openai yfinance
3
Export your OpenAI API key
export OPENAI_API_KEY="your_openai_api_key_here"
$Env:OPENAI_API_KEY="your_openai_api_key_here"
4
Run the example
Save the code above as
basic_agent_events.py, then run:python basic_agent_events.py