@PitaJ I think I found a way, I use client-side on 'action:ajaxify.end': components.get('topic').append(html) where html is the parsed (by jQuery) element I want to show.
If there is a way to do that server side instead of client side, I would really appreciate if you let me know 😂
And also I don't really get how can I understand what every hook method takes as parameters, when I click on one of them in the hooks list on GitHub, it just show me a line of code, and I don't get what that line means (for example in filters:parse.post goes where there is an if statement, what that means?)