Very interesting proof of concept! Would you be willing to go over some of the finer details with me? I've literally spent the entire day going back and forth with ChatGPT trying to make this work. 8 hours later and I finally admitted defeat. Haha! I agree with a few of the earlier comments, I'm curious how you created the serialize feed item apex class. I can't seem to get passed Error: Illegal assignment from List to List.