Main settings additional values like dropdown options etc.

Source

File: /core/helpers/settings.php
Used by: /core/helpers/settings.php

Parameters
$settings_options, $settings

Example:

function prefix_wp_travel_settings_options( $settings_options, $settings ) {
    $settings_options[‘custom_data’] = array( ‘data1’, ‘data2’,
    );
    return $settings_options;
}
add_filter( 'wp_travel_settings_options', 'prefix_wp_travel_settings_options', 12, 2 );