I have a Quantity field, a Free Goods field, and a field set to a value of .5.
The deal in Buy 2 get 1 free.
I want the free goods field to auto-populate, so I have it to calculate the sum of Quantity field and the .5 field.
I need to validate the Free Goods field so that it always rounds DOWN to the nearest whole number, so (for example)
if 3 items are ordered 1 item is free, not 2 (which is what the field wants to default to with the validation set to be a number with no decimals)
if they order 4, they get 2 free, 5 gets you 2 free, etc
I am not a coder, how would the code be written to accomplish this?
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