save_extra_bastard_list_targets_for_secret_exposure_events_effect

save_extra_bastard_list_targets_for_secret_exposure_events_effect = {
	#Those who care about child
	if = {
		limit = {
			exists = scope:child
			scope:owner != scope:child #Child hasn't inherited the secret
		}
		scope:target = {
			save_temporary_scope_as = secret_character
			save_list_targets_for_secret_exposure_events_effect = { SECRET = scope:secret CHARACTER = scope:secret_character }
		}
	}
	#Those who care about real father
	if = {
		limit = {
			exists = scope:real_father
			scope:owner != scope:real_father #Real_father hasn't inherited the secret
		}
		scope:real_father = {
			save_temporary_scope_as = secret_character
			save_list_targets_for_secret_exposure_events_effect = { SECRET = scope:secret CHARACTER = scope:secret_character }
		}
	}
	#Those who care about mother
	if = {
		limit = {
			exists = scope:mother
			scope:owner != scope:mother #Mother doesn't have secret anymore (dead)
		}
		scope:mother = {
			save_temporary_scope_as = secret_character
			save_list_targets_for_secret_exposure_events_effect = { SECRET = scope:secret CHARACTER = scope:secret_character }
		}
	}
	#Make sure father is in there
	if = {
		limit = {
			exists = scope:father
			scope:father = { show_me_exposed_secret_event_trigger = { SECRET = scope:secret CHARACTER = scope:secret_character } }
		}
		scope:father = { add_to_list = send_exposed_secret_event_list }
	}
}

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