How can I set the name attribute on AIMessage objects returned by a runnable like this?

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Question:
How can I set the name attribute on AIMessage objects returned by a runnable like this?

prompted_llm = madison_prompt | llm.bind_tools(initial_tools)

Right now, the messages returned don’t include a name, and I’d prefer not to wrap the whole thing just to inject one manually. Is there a clean, built-in way to do this?