pledge_loyalty_to_liege_refund_and_cleanup_effect

pledge_loyalty_to_liege_refund_and_cleanup_effect = {
	send_interface_toast = {
		type = event_toast_effect_neutral
		title = pledge_loyalty_to_liege_costs_refunded
		left_icon = root
		# Remove variable preventing you from kneeling before liege again
		if = {
			limit = {
				has_variable = pledge_loyalty_to_liege_grace
				exists = liege
				var:pledge_loyalty_to_liege_grace = liege
			}
			remove_variable = pledge_loyalty_to_liege_grace
		}
		# refund any costs
		if = {
			limit = {
				has_variable = pledge_loyalty_to_liege_gold_value
			}
			add_gold = var:pledge_loyalty_to_liege_gold_value
		}
		switch = {
			trigger = has_trait
			shy = { add_stress = medium_stress_impact_loss }
			arrogant = { add_stress = medium_stress_impact_loss }
		}
	}
	# Variable cleanup
	if = {
		limit = { has_variable = homage_type }
		remove_variable = homage_type
	}
	# Contract
	if = {
		limit = { has_variable = pledge_loyalty_to_liege_contract_type }
		remove_variable = pledge_loyalty_to_liege_contract_type
	}
	# Liege
	if = {
		limit = { has_variable = pledge_loyalty_to_liege_scope }
		remove_variable = pledge_loyalty_to_liege_scope
	}
	if = {
		limit = { has_variable = pledge_loyalty_to_liege_gold_value }
		remove_variable = pledge_loyalty_to_liege_gold_value
	}
}

As written in game/common/scripted_effects/10_dlc_tgp_scripted_effects.txt.