WP Travel search widget title.

Source

File: /inc/widgets/class-wp-travel-search-filters-widget.php
Used by: /inc/widgets/class-wp-travel-search-filters-widget.php,
                 /inc/widgets/class-wp-travel-widget-search.php

Parameters
$title

Example: 

function prefix_wp_travel_search_widget_title( $title ) {
    $title = ‘Search Here’;
    return $title;
}
add_filter( 'wp_travel_search_widget_title', 'prefix_wp_travel_search_widget_title' );