Hook name: woocommerce_order_update_coupon Hook type: action Plugin ref: WooCommerce Sourcefile: File ref: WC_Abstract_Legacy_Order::update_coupon() – Update coupon for order. Note this does not update order totals. Description: Parameters: Deprecated?: No API Letters: C,O,U,W Invokers 1 to 1 of 1 WC_Abstract_Legacy_Order::update_coupon() – Update coupon for order. Note this does not update order totals. Implementers