How to make a coupon automatically applied to the cart?

Question

1C-Bitrix

The site has a field for entering a coupon, in the header - it is necessary that the coupon entered there be applied automatically to all orders of the visitor (even if this is not an authorized user). How to properly implement this in Bitrix?
When applying a coupon, I send an Ajax request to the server to check if it exists. If it returns true, then I store the coupon in Cookies. How to be further? In cart component template to check Cookies and apply coupon or is there a better solution?

Answer 1

Alternatively, you can try to use the event, adding items to the cart and check for the presence of a coupon in the handler: if there is, apply it