I just found some information from here:
https://processmaker.gitbook.io/process ... ut-warning
Session Timeout Warning
If you have not interacted with the ProcessMaker application in 120 minutes (two hours), ProcessMaker warns you that your log on session is almost expired. If your log on session expires, you will lose any unsaved work that may include any of the following: Is it possible to implement this for the web entry form? And how?
Regards and thanks,