This promo allows the store give a $ discount via cash coupon if a customer buys a required quantity of products in the group.
The coupon can be instant (given automatically in the transaction) or printed out for next use.

Please see below possible scenario of this promo:
$5 CASH COUPON WHEN YOU BUY ANY 3 OF THE FOLLOWING
MARINATED PORK JUMBO BELLY
MARINATED SALMON BELLY
FROZEN PORK BELLY
SMOKED JUMBO RIBS
SMOKED BABY BACK RIBS
FROZEN SALMON

cashcoupon trigger group