WordPress Shopping Cart: Redirect/Hosted Payment Gateway step 4

gistfile1.php

// WordPress Shopping Cart: Redirect/Hosted Payment Gateway step 4
// http://tribulant.com/docs/wordpress-shopping-cart-plugin/7190

function gateway_pmethods_metaboxes($page = null, $position = null, $post = null) {
    add_meta_box('gateway', __('Gateway', 'checkout-gateway'), 'gateway_metabox_settings', $page, $position, 'core');
    return true;
}
 
function gateway_metabox_settings() {
    include dirname(__FILE__) . '/settings.php';
}
 
add_action('wpco_pmethods_metaboxes', 'gateway_pmethods_metaboxes', 10, 3);