<?php

/**
 * Class ShopAPIOrderExtension
 *
 * @property ShopAPIOrderExtension|Order $owner
 */
class ShopAPIOrderExtension extends DataExtension
{
    private static $db = [
        'Hash' => 'Varchar(256)'
    ];
}

<?php

/**
 * Class ShopAPIOrderExtension
 *
 * @property ShopAPIOrderExtension|Order $owner
 */
class ShopAPIOrderExtension extends DataExtension
{
    private static $db = [
        'Hash' => 'Varchar(256)'
    ];

    public function getShopApiUrl()
    {
        return ShopAPIConfig::getApiUrl();
    }
}

Add api url getter to order extension
Add api url getter to order extension
