# convert_messages_to_prompt_qwen

> **Function** in `langchain_aws`

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

Convert a list of messages to a ChatML prompt for Qwen models.

## Signature

```python
convert_messages_to_prompt_qwen(
    messages: List[BaseMessage],
) -> str
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `messages` | `List[BaseMessage]` | Yes | List of messages to convert. |

## Returns

`str`

The formatted ChatML prompt string.

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[View source on GitHub](https://github.com/langchain-ai/langchain-aws/blob/07f60ceba189a48fab5942573cf81e569a7bbf19/libs/aws/langchain_aws/chat_models/bedrock.py#L324)