Place triggers inside actor blueprint, setup it there.
make parent of all trigger actors, put all trigger code there.
if you can group triggers by some set of values, do single child of parent for each group. And set default values for that group inside that child actor.
Then place those actors in level and tweak final differences between them.
When you want something from trigger actor cast to parent of all trigger actors…
You also can make function that checks if trigger should be on or off depending on player position in game. Each trigger can disable\enable self.
OR you make enumerator that is name of group of triggers. THen you make event dispatcher in player. Then each trigger actor hooks to that dispatcher. Then you dispatch events about turning on\off for groups of triggers.