Use case 1: Buy 2 Get 1 Free

Requirement: Automatically discount 1 item when a customer adds 3 qualifying items to their cart.

Promotion Type: POS Cart Promotion, which automatically apply discount if the criteria are fulfilled. (no coupon code required).

Step 1: Basic Setup

Scroll to the section Availing conditions and benefits.

You need to tell the system to count specific items.

Field Name	Selection / Value	Explanation
Qualifying Condition	Sum of line item quantity for the selected product	We are counting how many items are in the basket, not the price of the items.
Select Product	Select or upload sku	Defines which items count toward the deal. You can also select specific categories here.
Operator	Greater than or equal to	Allows the deal to trigger when the product quantity reaches the specified criteria.
Value	3	CRITICAL: This is the Total Cart Count required. The customer must bring 2 paid items + 1 free item to the counter (Total = 3).

You need to tell the system which item gets the discount.

Field Name	Selection / Value	Explanation
Benefit On	Selected products in the cart	Ensures the discount applies only to the coffee, not unrelated items like gum or water.
Select Product	SKU	Must match the sku selected in Conditions.
Benefit type	Free product	This will be a free item if it fulfills the paymentmode criteria.

Prevent revenue loss and system abuse.

Scroll to Define scope and restrictions on availing promotions Click on continue towards Restriction tab

Navigate to Compatibility settings (bottom of page).

Setting: Mark this promotion as exclusive at the cart level.
Action: Turn the toggle ON.
Why: This prevents "Double Dipping." If a customer has a "10% Off Entire Bill" coupon, enabling exclusivity ensures they cannot use it on top of getting a free coffee. The system will calculate which offer gives the customer the best deal and apply only that one.