Create a form of payment through Sberbank

Create a form of payment through Sberbank. Documentation from Sberbank: https://securepayments.sberbank.ru/wiki/doku.php/i...

Example implementation

https://oxford-russia.ru/oplata/


Required fields for filling in the name, phone number and order number.

Implementation on bitrix (but this is generally a separate page without its freework).