the only difference from other payments that you have to [store tokeb hash to session](https://github.com/Payum/PayumBundleSandbox/blob/master/src/Acme/PaymentBundle/Controller/SimplePurchaseBe2BillController.php#L96) and configure return\cancel urls in the be2bill admin to redirect to `http://your-domain-here.dev/payment/capture/session-token`