This is the process: new organization worker has a form with general details about him.
In this form he can upload - if he want, a pdf with its formal sign for getting a parking.
This is just one of the file he can upload - and I would like to restore it for the workflow.
How can I restore this specific file (not at the generic "files" of sharePoint - but as unique field)?
If there is no OOTB solution, may you tell me how do I upload it to a libary?