WordPress Shopping Cart: Redirect/Hosted Payment Gateway step 2

gistfile1.php

// WordPress Shopping Cart: Redirect/Hosted Payment Gateway step 2
// http://tribulant.com/docs/wordpress-shopping-cart-plugin/7190

function gateway_extensions_list($extensions = null) {
    $extensions['gateway'] = array(
        'name'          =>   __('Gateway', 'checkout-gateway'),
        'link'          =>   "http://domain.com/gateway/",
        'image'         =>   plugins_url() . '/gateway/icon.jpg',
        'description'   =>   __("Gateway which sends customers through to a secure payment page.", 'checkout-gateway'),
        'slug'          =>   'gateway',
        'plugin_name'   =>   'checkout-gateway',
        'plugin_file'   =>   'gateway.php',
    );
 
    return $extensions;
}
 
add_filter('wpco_extensions_list', 'gateway_extensions_list', 10, 1);