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JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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How Do I Add A Donation Field Without An Amount?Asked by pcpo on January 23, 2017 at 04:39 PM
How do I add a donation line to the form without having to put in a preset amount?
It looks like you already have a donation field in the form that doesn't have a preset amount.
To include the value here into the Total Cost, simply add it into the Total Cost calculation widget as seen below. Once it's added, if the donation line is filled then it will be included in the calculation of the Total Cost.
Please let us know if you need further assistance.