ChatMessageChunk#
- class langchain_core.messages.chat.ChatMessageChunk[source]#
Bases:
ChatMessage
,BaseMessageChunk
Chat Message chunk.
Pass in content as positional arg.
- Parameters:
content – The string contents of the message.
kwargs – Additional fields to pass to the
- param additional_kwargs: dict [Optional]#
Reserved for additional payload data associated with the message.
For example, for a message from an AI, this could include tool calls as encoded by the model provider.
- param content: str | List[str | Dict] [Required]#
The string contents of the message.
- param id: str | None = None#
An optional unique identifier for the message. This should ideally be provided by the provider/model which created the message.
- param name: str | None = None#
An optional name for the message.
This can be used to provide a human-readable name for the message.
Usage of this field is optional, and whether it’s used or not is up to the model implementation.
- param response_metadata: dict [Optional]#
Response metadata. For example: response headers, logprobs, token counts.
- param role: str [Required]#
The speaker / role of the Message.
- param type: Literal['ChatMessageChunk'] = 'ChatMessageChunk'#
The type of the message (used during serialization). Defaults to “ChatMessageChunk”.
- pretty_print() None #
- Return type:
None
- pretty_repr(html: bool = False) str #
Get a pretty representation of the message.
- Parameters:
html (bool) – Whether to format the message as HTML. If True, the message will be formatted with HTML tags. Default is False.
- Returns:
A pretty representation of the message.
- Return type:
str