Error Message

Source

File: /core/ajax/coupon.php
Used by: /core/ajax/coupon.php, /inc/class-ajax.php

Parameters
$message

Example:

function prefix_wp_travel_apply_coupon_errors( $message ) {
    $message = ‘<p> This is an error message. </p>’;
    return $massage;
    }
add_filter( 'wp_travel_apply_coupon_errors', 'prefix_wp_travel_apply_coupon_errors' );