[Issue]: I want Autogen to stream out ONLY the last agent's messages. How can I do that?

[tyler-suard-parker]

Describe the issue

I have several agents in a group chat. The user proxy agent takes in the user's question, and several research agents query databases. Then, a writer agent uses the information to write an answer to the user's question. I want to stream to the frontend ONLY the output from the writer agent. How can I do that?
Thank you for your time.

Steps to reproduce

Use this notebook:

https://github.com/microsoft/autogen/blob/main/notebook/agentchat_websockets.ipynb

And try to tailor the response so that it streams back only one of the 2 agents' output.

Screenshots and logs

No response

Additional Information

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