if empty then...

Discussion created by LucHuyse on Apr 2, 2018
Latest reply on Apr 3, 2018 by Ben

my question, it concerns an invoice: if a field is not empty (vat = 6%), a second field (the amount of the vat: price x 6%) has a calculation.

If the field of the vat is empty, the second field must be empty, not '0' but really empty.

Please help how the script must be.