# convert_messages_to_prompt_anthropic

> **Function** in `langchain_aws`

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

Format a list of messages into a full prompt for the Anthropic model
    Args:
        messages (List[BaseMessage]): List of BaseMessage to combine.
        human_prompt (str, optional): Human prompt tag. Defaults to "

Human:".
        ai_prompt (str, optional): AI prompt tag. Defaults to "

Assistant:".
    Returns:
        str: Combined string with necessary human_prompt and ai_prompt tags.

## Signature

```python
convert_messages_to_prompt_anthropic(
    messages: List[BaseMessage],
    *,
    human_prompt: str = '\n\nHuman:',
    ai_prompt: str = '\n\nAssistant:',
) -> str
```

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[View source on GitHub](https://github.com/langchain-ai/langchain-aws/blob/285069d4f44907e10aaf7743888689ea39c98fe3/libs/aws/langchain_aws/chat_models/bedrock.py#L198)