I'd like for the points on my map to change color whenever someone adds an attachment so that those points are distinguishable from all the others. Any thoughts?
This seems similar to this idea:
Allow logic in ArcGIS Online custom popups
Can you share a little more about your desired workflow and add it to the comment of this idea if desired?
What kind of data would you have with an attachment? Would users viewing your app be looking to see features with attachments added to them specifically, or would they still want to view both features?
Retrieving data ...