Is there any sample process that utilises the file upload widget and retrieving it back as a URL link in the subsequent task node?
Yes, you can use this one : http://community.bonitasoft.com/project/file-upload-and-download-process-example
Is there any sample process that utilises the file upload widget and retrieving it back as a URL link in the subsequent task node?
Yes, you can use this one : http://community.bonitasoft.com/project/file-upload-and-download-process-example