> ## Documentation Index
> Fetch the complete documentation index at: https://spacesail.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Run Response Events

This example demonstrates how to handle different types of events during agent run streaming. It shows how to capture and process content events, tool call started events, and tool call completed events.

## Code

```python run_response_events.py theme={null}
from typing import Iterator, List

from agno.agent import (
    Agent,
    RunContentEvent,
    RunOutputEvent,
    ToolCallCompletedEvent,
    ToolCallStartedEvent,
)
from agno.models.anthropic import Claude
from agno.tools.duckduckgo import DuckDuckGoTools

agent = Agent(
    model=Claude(id="claude-sonnet-4-20250514"),
    tools=[DuckDuckGoTools()],
    markdown=True,
)
run_response: Iterator[RunOutputEvent] = agent.run(
    "Whats happening in USA and Canada?", stream=True
)

response: List[str] = []
for chunk in run_response:
    if isinstance(chunk, RunContentEvent):
        response.append(chunk.content)  # type: ignore
    elif isinstance(chunk, ToolCallStartedEvent):
        response.append(
            f"Tool call started: {chunk.tool.tool_name} with args: {chunk.tool.tool_args}"  # type: ignore
        )
    elif isinstance(chunk, ToolCallCompletedEvent):
        response.append(
            f"Tool call completed: {chunk.tool.tool_name} with result: {chunk.tool.result}"  # type: ignore
        )

print("\n".join(response))
```

## Usage

<Steps>
  <Snippet file="create-venv-step.mdx" />

  <Step title="Install libraries">
    ```bash theme={null}
    pip install -U agno anthropic ddgs
    ```
  </Step>

  <Step title="Export your ANTHROPIC API key">
    <CodeGroup>
      ```bash Mac/Linux theme={null}
        export ANTHROPIC_API_KEY="your_anthropic_api_key_here"
      ```

      ```bash Windows theme={null}
        $Env:ANTHROPIC_API_KEY="your_anthropic_api_key_here"
      ```
    </CodeGroup>
  </Step>

  <Step title="Create a Python file">
    Create a Python file and add the above code.

    ```bash theme={null}
    touch run_response_events.py
    ```
  </Step>

  <Step title="Run Agent">
    <CodeGroup>
      ```bash Mac theme={null}
      python run_response_events.py
      ```

      ```bash Windows   theme={null}
      python run_response_events.py
      ```
    </CodeGroup>
  </Step>

  <Step title="Find All Cookbooks">
    Explore all the available cookbooks in the Agno repository. Click the link below to view the code on GitHub:

    <Link href="https://github.com/agno-agi/agno/tree/main/cookbook/agents/other" target="_blank">
      Agno Cookbooks on GitHub
    </Link>
  </Step>
</Steps>