PayOne - Invoice Payment
![](../../../../../resources/images/shoptype/demoshop.png)
Front-end Integration
To adjust the frontend appearance, provide the following templates in your theme directory: src/<project_name>/Yves/Payone/Theme/<custom_theme_name>/invoice.twig
State Machine Integration
Payone module provides a demo state machine for the Invoice payment method which implements Authorization flow. To enable the demo state machine, extend the configuration with following values:
<?php
$config[SalesConstants::PAYMENT_METHOD_STATEMACHINE_MAPPING] = [
...
PayoneConfig::PAYMENT_METHOD_INVOICE => 'PayoneInvoice',
];
$config[OmsConstants::ACTIVE_PROCESSES] = [
...
'PayoneInvoice',
];