Plutonium

Hi.. I'm trying to make a gsc mod but I can only find like 5 menu bases and they all suck/very outdated if someone could lmk were to find one I'd really appreciate it

I want to override the text that displays after winning loosing tie ect to a. Custom text like they do on bo2 trickshot servers but I can't figure it out I've looked everywhere for guides no luck there asked around nobody wants to help I guess so if anyone can help here it will be appreciated