Set Timer By Name not allowing non-self references

Ideally it would be able to affect the Third person character as well as any AI actors I have in the scene. So I would want to be able to call a function or something from either the player or the AI and have the resulting logic be the same for both actors (deal damage and hit pause). I just need to know where the best place to setup this function is so that I can actually reference any of those actors and force them into a hit stop.