There are a few values you can add to your custom factions such as is_outlaw, is_mafia and is_sect. How do these affect the faction's behaviour, though? I've marked one of my modded factions as outlaws but they don't seem to act any different.
Is there a way to mod the persuasion dialogue events? And just to be clear I mean the events with critical successes/failures that have to do with romancing people/trying to make them switch sides. I'd like to add more options to spice things up a bit but I can't for the life of me find where...