# AsyncSubAgentState

> **Class** in `deepagents`

📖 [View in docs](https://reference.langchain.com/python/deepagents/middleware/async_subagents/AsyncSubAgentState)

State extension for async subagent task tracking.

## Signature

```python
AsyncSubAgentState()
```

## Extends

- `AgentState`

## Properties

- `async_tasks`

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/a827cddf72d72e4b17921b8eb445a3bfb0511cb4/libs/deepagents/deepagents/middleware/async_subagents.py#L123)