For customize the woocommerce coupon applied message

Customize WooCommerce coupon applied message.

add_filter('woocommerce_coupon_message', function ($msg, $msg_code, $coupon){
    if(!empty($coupon)){
        if(method_exists($coupon, 'get_code')){
            $coupon_code = $coupon->get_code(); //Applied COUPON
            //DO THE PROCESS FOR CHECKING THE CONDITION MATCHES OR NOT
            $msg = ''; //YOU CAN CUSTOMIZE THE MESSAGE HERE
        }
    }
    return $msg;
}, 10, 3);