If not, can somebody please show me what the code for such an actor looks like. Maybe a ConsoleTrigger Actor that allows one to enter a console command in Actor Properties or change it in-game before it's triggered. Think of what can be made with this.
For example, in the Actor Properties for ConsoleTrigger there will be a category called ConsoleTrigger. In that category, there is a field called "Command". In that field you can type something like: KillAll Weapon—then you set the TriggerProperties stuff and it's done.
In-game you can type something like: Set ConsoleTrigger.ConsoleTrigger Command Exit

For a single player game or MonsterHunt, a map maker can make the player say stuff using the triggerable Say command; while also setting off a TriggeredAmbientSound of a character voice (like an in-game-talking NaPali character).