there is a tutorial with new custom field type creation:
The value you want to display can be got using
Or you can use Script Runner plugin and its Scripted field which would be easier than to create a new custom field type
Atlassian Summit is an excellent opportunity for in-person support, training, and networking.Learn more
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