Akhil Kumar1
Mega Sage

Add the ticket attachment widget to user profile page in your portal.

For example please find below the OOB ticket page with incident form URL.

 

https://yourinstance.service-now.com/sp?id=ticket_akhil&table=incident&sys_id=9d385017c611228701d221...

 

OOB Page id : ticket

OOB Attachment wideget : Ticket Attachments