I have created a form to create new Project records. Each project requires a unique ID which matches a particular format (XXXX-000).
How can I make sure that no-one uses an existing unique ID when filling out the form? I really need to avoid duplicate Projects, as creating a new Project has a lot of downstream actions which can get messed up if an ID already exists.
I have another form which can create new versions of an existing Project, which I can use as a redirect URL if necessary.
Many thanks in advance!