| Name | Type | Description |
|---|---|---|
serialized* | dict[str, Any] | Serialized model descriptor with class and module info. |
messages* | list[list[BaseMessage]] | Nested list of chat messages sent to the model. |
run_id* | UUID | |
parent_run_id | Optional[UUID] | Default: None |
tags | Optional[List[str]] | Default: None |
metadata | Optional[dict[str, Any]] | Default: None |
**kwargs | Any | Default: {} |
Record chat model start and create a chat span.
Unique identifier for this LLM run.
Run ID of the parent chain, if any.
Optional tags attached to this run.
Metadata dict with model configuration, provider hints,
and invocation_params.
Additional keyword arguments including
invocation_params.
