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

# A2 U I • AI Agent SDK

> A2UI: Optional A2UI facade (lazy — imports a2ui-agent-sdk on first use).

# A2UI

> Defined in the [**a2ui**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/a2ui.md) module.

AI Agent

Optional A2UI facade (lazy — imports a2ui-agent-sdk on first use).

## Usage

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
from praisonaiagents.ui import A2UI

    part = A2UI.create_part({"createSurface": {...}})
    prompt = A2UI.system_prompt("You are a helpful assistant.")
```

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/ui/a2ui/__init__.py#L29)
>
> `praisonaiagents/ui/a2ui/__init__.py` at line 29


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.