ai_diarch_check_to_see_if_should_launch_coup_effect

ai_diarch_check_to_see_if_should_launch_coup_effect = {
	scope:actor = {
		if = {
			limit = {
				# Robots only, please.
				is_ai = yes
				# Check that this is the diarch.
				is_diarch_of_target = scope:recipient
				# Plus a few checks for scope:recipient.
				scope:recipient = {
					# Then, we look to see if we've hit that magic number.
					has_diarchy_active_parameter = regents_can_try_to_overthrow_present_lieges
					# Finally, make sure that scope:recipient doesn't have a sensibility cooldown on 'em.
					NOT = { has_character_flag = immune_ai_coups }
				}
				# Only disloyal diarchs will even consider this. It's really not for casuals.
				diarch_loyalty <= diarch_loyalty_visibly_disloyal_threshold
			}
			# Right, lets try for some treason, then!
			trigger_event = diarchy.9031
		}
	}
}

As written in game/common/scripted_effects/00_diarchy_scripted_effects.txt.