add_session_attributes

API reference for add_session_attributes

add_session_attributes()

Adds Fiddler-specific attributes to a runnable’s metadata.

This is used for various runnable types like Pregel nodes, LLM calls, tool calls, and retriever calls.

Parameters

Parameter	Type	Required	Default	Description
key	str	✗	None	The attribute key to add or update.
value	str	✗	None	The attribute value to set.