What is JotForm?
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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We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I presume that you wish to have a checkbox on your form?
This would allow you to list various options and have your customers select more than one of the same.
This is a quick demo form of what I mean: https://form.jotform.com/60335374783965
If that is so, you can find the Check Box field under Form Tools on the left.