Issue has some subtasks, every subtask has an assignee, on any subtask change (edit, comment or transition) in any subtask - all of subtasks assignees receive notification email
How to do this ?
you have to write your own listener and use custom code to send emails.
check the following plugin it may help you
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
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot