# ChatPromptAdapter

> **Class** in `langchain_aws`

📖 [View in docs](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/ChatPromptAdapter)

Adapter class to prepare the inputs from Langchain to prompt format
that Chat model expects.

## Signature

```python
ChatPromptAdapter()
```

## Methods

- [`convert_messages_to_prompt()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/ChatPromptAdapter/convert_messages_to_prompt)
- [`format_messages()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/ChatPromptAdapter/format_messages)

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[View source on GitHub](https://github.com/langchain-ai/langchain-aws/blob/434899a049429abd1b68d6e3efe82f58bc729a4f/libs/aws/langchain_aws/chat_models/bedrock.py#L438)