Enforce Quantity Rule

How to build a rule to enforce quantities to match across multiple product selections in the checkout process.

Enforce Quantity Example:

If a quantity of 5 is selected for the first product, the add-on product must also have a quantity of 5.

Event on the Rule Set to trigger the rule: Quantity Changed.


Id = _____ ( or Name = ____ )


Second Id = ______ (or Second.Name = _____ ) 


Q1 does not equal Q2


Match Quantity


Note: Each AND should be in a different tier. Logic checks tiers in reverse order on the backend