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

# Structured Output

> Return a MovieScript Pydantic schema from an agent served over AG-UI.

```python structured_output.py theme={null}
"""
Structured Output
=================

Demonstrates structured output.
"""

from typing import List

from agno.agent.agent import Agent
from agno.models.openai import OpenAIResponses
from agno.os import AgentOS
from agno.os.interfaces.agui import AGUI
from pydantic import BaseModel, Field

# ---------------------------------------------------------------------------
# Create Example
# ---------------------------------------------------------------------------


class MovieScript(BaseModel):
    setting: str = Field(
        ..., description="Provide a nice setting for a blockbuster movie."
    )
    ending: str = Field(
        ...,
        description="Ending of the movie. If not available, provide a happy ending.",
    )
    genre: str = Field(
        ...,
        description="Genre of the movie. If not available, select action, thriller or romantic comedy.",
    )
    name: str = Field(..., description="Give a name to this movie")
    characters: List[str] = Field(..., description="Name of characters for this movie.")
    storyline: str = Field(
        ..., description="3 sentence storyline for the movie. Make it exciting!"
    )


chat_agent = Agent(
    name="Output Schema Agent",
    model=OpenAIResponses(id="gpt-5.4"),
    description="You write movie scripts.",
    markdown=True,
    output_schema=MovieScript,
)


# Setup your AgentOS app
agent_os = AgentOS(
    agents=[chat_agent],
    interfaces=[AGUI(agent=chat_agent)],
)
app = agent_os.get_app()

# ---------------------------------------------------------------------------
# Run Example
# ---------------------------------------------------------------------------

if __name__ == "__main__":
    """Run your AgentOS.

    You can see the configuration and available apps at:
    http://localhost:9001/config

    """

    agent_os.serve(app="structured_output:app", port=9001, reload=True)
```

## Run the Example

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

  <Step title="Install dependencies">
    ```bash theme={null}
    uv pip install -U "agno[agui,os]" openai
    ```
  </Step>

  <Step title="Export your OpenAI API key">
    <CodeGroup>
      ```bash Mac/Linux theme={null}
      export OPENAI_API_KEY="your_openai_api_key_here"
      ```

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

  <Step title="Run the example">
    Save the code above as `structured_output.py`, then run:

    ```bash theme={null}
    python structured_output.py
    ```
  </Step>
</Steps>

Full source: [cookbook/05\_agent\_os/16\_agui/structured\_output.py](https://github.com/agno-agi/agno/blob/main/cookbook/05_agent_os/16_agui/structured_output.py)