Name of XSLT-file with your own layout for the pay form. If you want to use the redesigned and downwards compatible template, please transfer the template name “ct_compatible”. If you want to use the responsive template for mobile devices, please transfer the template name “ct_responsive”.
The payment method "Bancontact" can also be called via payssl.aspx. Therefore "template=ct_bcmc" has to be submitted mandatory, in order to the special Bancontact template will be used. It should be noted that Bancontact must already be selectable as a payment method in the checkout process. The template cannot be modified and must be used in exactly the same way, as it is based on strict Bancontact guidelines. This is only valid for integration with Omnipay: EMS payment solutions.
Computop Documentation