# PlanningState

> **Class** in `langchain`

📖 [View in docs](https://reference.langchain.com/python/langchain/agents/middleware/todo/PlanningState)

State schema for the todo middleware.

## Signature

```python
PlanningState()
```

## Extends

- `AgentState[ResponseT]`

## Properties

- `todos`

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/79cab2dc7f58be720cac43db3677b4c1fd971f91/libs/langchain_v1/langchain/agents/middleware/todo.py#L35)