How to activate notification in bell for requester of PO Line

Summary:

Send bell notifications for requester on PO line based on Holds

Content (please ensure you mask any confidential information):

Hi

I'd like to activate notification that would be sent in the bell notifications based on the requester which is filled in the Invoice Line.

Yet, i've managed to :

• activate the notifications in the workflist (but not the bell, even after running the "synchronize Notifications in Global Header" process)
• send this notification based on the holds identified and based on the requester in Invoice Header but not based on requester of Invoice Line

How can I achieve this ? The setup i've done is in the .doc attached