I have a set of 1000 unique gift codes and I want to use a typeform text field to validate the gift-code entry. In case the entry is not valid, I want to display a customized error message. In case the code is valid I want to take them to the next question. My codes are e.g. in google sheets. So the text field should check if the entered value exists in my google sheets. Any idea how to solve that?
Best answer by Liz
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