Add custom Shipping tracking provider

functions.php

<?php

add_filter( 'dokan_shipping_status_tracking_providers_list', 'add_shipping_tracking_provider' );

function add_shipping_tracking_provider( $providers ){

    $providers['sp-your-custom-name'] = array( //use a custom name instead of sp-your-custom-name as your wish
            
            'label' => __( 'Your custom one', 'dokan' ), //This text will be shown in the backend and frontend
            'url'   => '',
        );
    
    return $providers;
}

?>