# MultiRetrievalQAChain

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/chains/router/multi_retrieval_qa/MultiRetrievalQAChain)

Multi Retrieval QA Chain.

A multi-route chain that uses an LLM router chain to choose amongst retrieval
qa chains.

## Signature

```python
MultiRetrievalQAChain()
```

## Extends

- `MultiRouteChain`

## Properties

- `router_chain`
- `destination_chains`
- `default_chain`
- `output_keys`

## Methods

- [`from_retrievers()`](https://reference.langchain.com/python/langchain-classic/chains/router/multi_retrieval_qa/MultiRetrievalQAChain/from_retrievers)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/9f232caa7a8fe1ca042a401942d5d90d54ceb1a6/libs/langchain/langchain_classic/chains/router/multi_retrieval_qa.py#L27)