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.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
you could do that
It is explained in this article from Jotform HELP
You could find it on your Jotform main screen here
in widgets just type unique and it would show up !
You can also customize this custom ID number. As it is shown on the first picture pointing by red arrow up.
Normally, it will work its way up from the default value, but if you need to customize this id, Jotform added three properties for this tool to make it easier for you. It goes like Index Prefix and Number for example
#ID3213 or CID-1234
This is how the ID looks on the form
It `s hidden by default
1 - Its the Unique ID field
2 - The properties Icon just for this ID
As indicated by datasphere you can use Unique ID widget:
You can add numbers or letters to your unique ID:
You can find out more in our guide on how to add custom ID's to your form submissions.
Let us know please if you need more assistance.