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1

Create a Python file

Create a Python file and add the above code.
touch user_input_required_stream_async.py
2

Add the following code to your Python file

user_input_required_stream_async.py
import asyncio
from typing import List
from agno.agent import Agent
from agno.db.sqlite import SqliteDb
from agno.models.openai import OpenAIChat
from agno.tools import tool
from agno.tools.function import UserInputField


# You can either specify the user_input_fields leave empty for all fields to be provided by the user
@tool(requires_user_input=True, user_input_fields=["to_address"])
def send_email(subject: str, body: str, to_address: str) -> str:
    """
    Send an email.

    Args:
        subject (str): The subject of the email.
        body (str): The body of the email.
        to_address (str): The address to send the email to.
    """
    return f"Sent email to {to_address} with subject {subject} and body {body}"


agent = Agent(
    model=OpenAIChat(id="gpt-5-mini"),
    tools=[send_email],
    markdown=True,
    db=SqliteDb(session_table="test_session", db_file="tmp/example.db"),
)


async def main():
    async for run_event in agent.arun(
        "Send an email with the subject 'Hello' and the body 'Hello, world!'",
        stream=True,
    ):
        if run_event.is_paused:  # Or agent.run_response.is_paused
            for tool in run_event.tools_requiring_user_input:  # type: ignore
                input_schema: List[UserInputField] = tool.user_input_schema  # type: ignore

                for field in input_schema:
                    # Get user input for each field in the schema
                    field_type = field.field_type
                    field_description = field.description

                    # Display field information to the user
                    print(f"\nField: {field.name}")
                    print(f"Description: {field_description}")
                    print(f"Type: {field_type}")

                    # Get user input
                    if field.value is None:
                        user_value = input(f"Please enter a value for {field.name}: ")
                    else:
                        print(f"Value: {field.value}")
                        user_value = field.value

                    # Update the field value
                    field.value = user_value

            async for resp in agent.acontinue_run(  # type: ignore
                run_id=run_event.run_id,
                updated_tools=run_event.tools,
                stream=True,
            ):
                print(resp.content, end="")

    # Or for simple debug flow
    # agent.aprint_response("Send an email with the subject 'Hello' and the body 'Hello, world!'")


if __name__ == "__main__":
    asyncio.run(main())
3

Create a virtual environment

Open the Terminal and create a python virtual environment.
python3 -m venv .venv
source .venv/bin/activate
4

Install libraries

pip install -U agno openai
5

Export your OpenAI API key

  export OPENAI_API_KEY="your_openai_api_key_here"
6

Run Agent

python user_input_required_stream_async.py
7

Find All Cookbooks

Explore all the available cookbooks in the Agno repository. Click the link below to view the code on GitHub:Agno Cookbooks on GitHub