JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
It seems like you have posted your question to early, it doesn't have much details on it that would help us understand your concern fully.
If you wish to add unique ID on your form submissions automatically, that can be done using the Unique ID widget. You can learn more about it on this guide: https://www.jotform.com/help/79-How-to-Add-Custom-Unique-IDs-to-your-Form-Submissions
We also have another widget that you may like, this one randomly generates an alphanumeric code: https://widgets.jotform.com/widget/random_value_generator
To add widgets on your form, you can follow this guide: https://www.jotform.com/help/252-How-to-Add-a-Widget-to-your-Form
Please do provide us more information if I misunderstood your concern.