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Hello,
I'm trying to figure this out. Is it possible to generate unique link for a file that I'll choose (always just one file) and then put this link to e-mail?

The hardest part is to generate unique path (and maybe with some limited time validation😟 )

I found something like this: https://github.com/joshpangell/single-use
But really no success in implementing that to chrono.😟 Any idea anyone?

HI Mskarta,

In the On Submit event of the form create the a unique id - you can use PHP to create a random string or, if you PM me - I have a beta ChronoForms action that will do this.

Save the file name, the unique id and the date to a database table.

SUse a Custom Code action to build a link that includes the id and links to a new form event something like this http://my_domain/index.php?option=com_chronoforms5&chronoform=some_form_name&fid=xxx&event=checkid

Include the link in the email.

In the new form event add a DB Read or custom PHP to check that the id exists, and the date it was issued. If it is valid show a file download, otherwise show an error message.

Bob