This article is to demonstrate the rule set when 10 quantities of Backpack is purchased, give free product from the any one cheapest products selected from Caps, pendrive and redbackpack.

General tab of Price discount rule;

Condition Tab;

This discount is when Specific product Backpack is purchased.

Discount Tab:

Discount applies only when 10 or more quantities of backpack is purchased then give discount (Free product) in any one of the cheapest from the selected products.
Gives discount only in products which are selected , here it is in Cap, Pendrive or Red backpack.

Cart page;

Here is the cart page when the rule is applied. When 10 backpacks are purchased, the cheapest item in the cart (From the selected products alone) is discount as Free.

Here is a Video Tutorial :

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