### Configuring ATOS Payment Plug-in

To configure the ATOS payment plug-in, please visit the ATOS website and register. Get your Merchant ID and Merchant certificate. To test your integration with ATOS Payment Gateway, you can use the demonstration Merchant ID - Certificate file pair. To process real payments, you should change the demonstration Merchant ID into the production Merchant ID in your HSPcomplete ATOS configuration form and upload the "production" certificate file using this form.

The callback URL to send the ATOS Payment Gateway response is being automatically passed to ATOS server. You can see this URL in the HSPcomplete ATOS configuration form.

Before using the ATOS plug-in to accept payments from your customers, we recommend you to perform at least one real transaction in "production" mode to ensure that the integration with ATOS Payment Gateway is successful.

Note: It is not possible to use the HTTPS protocol with ATOS . Thus if you want to use the ATOS server to process transactions at your online store, please disable the SSL protocol for your store.

To configure the ATOS plug-in:

1. Click the Edit button on the plug-in screen. Fill the form that appears:
   1. Type your Merchant ID obtained from ATOS into the Merchant ID field.
   2. Upload the certificate: click the Browse button next to the Merchant certificate field and locate the certificate file.
   3. You can type the path to the template file (your logo or other picture) into the Template Filename field. This image will be displayed at the ATOS payment page after your customer is redirected to it.
   4. Key in the Button title. For example, this could be the name of payment system. This title will be displayed directly on the button for online-payment at HSPstore, on the final stage of subscription registration, when a customer selects how to pay for the services ordered.
   5. You can add both the short and the detailed description. Quick description of a payment method will be displayed below the button. The Long description of a payment method will be displayed in a separate section entitled Pay Online.
2. Click the Update button.

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