Filter for modify/add settings tab.

Source

File: /inc/admin/class-admin-settings.php
Used by: /inc/admin/class-admin-settings.php

Parameters
$settings_fields

Example:

function prefix_wp_travel_settings_tabs( $settings_fields ) {
    $settings_fields[‘custom_tab’] = array(
    'tab_label' => __( 'Custom', 'wp-travel' ),
    'content_title' => __( 'Custom Options',
    'wp-travel' ),
    'priority' => 105,
    'callback' =>
    'wp_travel_settings_callback_custom',
    'icon' => 'fa-gear',
    );
    return $settings_fields;
}
add_filter( 'wp_travel_settings_tabs', 'prefix_wp_travel_settings_tabs' );