# FakeMessagesListChatModel

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/language_models/fake_chat_models/FakeMessagesListChatModel)

Fake chat model for testing purposes.

## Signature

```python
FakeMessagesListChatModel(
    self,
    *args: Any = (),
    **kwargs: Any = {},
)
```

## Extends

- `BaseChatModel`

## Properties

- `responses`
- `sleep`
- `i`

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/f0c5a28fa05adcda89aebcb449d897245ab21fa4/libs/core/langchain_core/language_models/fake_chat_models.py#L21)