tribute_mission_clean_up_variables_effect

tribute_mission_clean_up_variables_effect = {
	remove_variable = tribute_mission_target_scope
	remove_variable = offered_gold_value
	remove_variable = tribute_mission_type
	remove_variable = offered_herd_value
	remove_variable = offered_concubine
	remove_variable = offered_eunuch
	remove_variable = offered_artifact
	remove_variable = tribute_reward_fascination_progress

	if = {
		limit = {
			has_character_flag = tribute_mission_character_flag # Under select circumstances it's possible this will be rerun, so this avoids an error
		}
		remove_character_flag = tribute_mission_character_flag
	}

	if = {
		limit = { exists = scope:receiving_character }
		scope:receiving_character = {
			if = {
				limit = { has_character_flag = created_attendant }
				silent_disappearance_effect = yes
			}
		}
	}
}

As written in game/common/scripted_effects/tgp_tribute_mission_scripted_effects.txt.