Module for OpenCart - "Give gifts from the amount of order in "

The module allows you to make gifts on the order amount.
The principle of work:
We add the amount and the goods from which you can choose a gift.
Sum, can be added without restrictions.
If the amount in the basket is less than the assigned, the message is removed.
"Add goods for the amount of xxxx and get a gift"
if the amount in the basket is greater or equal to the assigned, the goods from which
You can choose a gift.
The gifts are ordinary goods, but they are added to the basket at a price of 0.
When the goods are removed from the basket, if the amount becomes less assigned, the gift is removed.

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http://ocstore23.heppyshop.ru/admin/index.php?route=catalog/gift_price&token=M1VicJBlulMaidBLWYBJGMbCXFS6coRA