Hi everyone.

I have a ZenCart eshop running. But I want every customer to get a 1$ gift for every purchase. The problem is, that I have no idea, how to accomplish this.

When a customer buys all that he wants, he can then choose 1 gift for 1$. This dollar will be added to his order. The gift is basically one certain item, but when the order exceeds a set amount, the client can then pick from a category of gifts.

Now, I have absolutely no idea how to make this work. If anyone could be so kind and show me the right direction, I will be very grateful.