New with SP2, Microsoft is showing off a Microsoft Dynamics GP 2013 Feature of the Day: Document Attachments Flow . This looks really cool. I’m going to go spend some time playing with Doc Attach now. Goodbye!
Microsoft Dynamics GP 2013 Feature of the Day: Document Attachments Flow – Inside Microsoft Dynamics GP – Site Home – MSDN Blogs
Tips & Hidden FeaturesMicrosoft & the GP EcosystemGP 2013
Archived post from 2013. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.