ToolMessageChunk

Artifact of the Tool execution which is not meant to be sent to the model.

Should only be specified if it is different from the message content, e.g. if only a subset of the full tool output is being passed as message content but the full output is needed in other parts of the code.

Unique identifier for this message

A path to the module that contains the class, eg. ["langchain", "llms"] Usually should be the same as the entrypoint the class is exported from.

Metadata about the message

Status of the tool invocation.

The message type/role