This article explains how to use COUPON function
FSCOUPON(equation, coupon_question_data)
FSCOUPON(100, QA{data})
FSCOUPON(VA, QC{data})
Note: you can obtain the coupon question data by referencing the question (e.g. QB) directly followed by the data reference in curly brackets (e.g.{data}) = QB{data}
We have a formula for a “Total price”: QA
+ QB
QC
) and set up the coupon configuration.The function of the “total price” is:
FSCOUPON(QA + QB, QC{data})
Learn more about coupon in one of the following articles