Unfortunately, nFeed fields don't currently work with behaviours which is what I believe you'd need to set up in order to do this. You can watch the bug report for this issue here if you'd like to keep track of the issue and get notified when a fix is released:
Let me know if you have any other questions!
Hi all! My name is Miles and I work on the Marketplace team. We’re looking for better ways to recommend and suggest apps that are truly crowd favorites, so of course we wanted to poll the Community. ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs