gok_war_of_defiance_heir_transfer_effect

gok_war_of_defiance_heir_transfer_effect = {
	if = {
		limit = {
			has_variable = fought_for_gok_alone
		}
		save_scope_value_as = {
		 	name = fought_for_gok_alone_value
		 	value = var:fought_for_gok_alone
		}
		primary_heir = {
			set_variable = {
				name = fought_for_gok_alone
				value = scope:fought_for_gok_alone_value
			}
		}
	}
}

As written in game/common/scripted_effects/09_mpo_greatest_of_khans_effects.txt.