I tried to do this, so I could write you good instructions, and found that "Labels" isn't one of those fields you can auto set with a post transition on the Create screen! (That's how you'd do it for other standard fields and even custom fields via a plugin.)
Next, I did a quick Google search and found another Community post which seems to agree: you can't do it natively, but the plugin called "Script Runner for JIRA" might offer the ability.
Otherwise, this sounds like a feature request for Atlassian! You can log those at: https://jira.atlassian.com.
Badges are a great way to show off community activity, whether you’re a newbie or a Champion.Learn more
As part of the Bitbucket product team I'm always interested in better understanding what kind of impact the use of our tools have on the way you work. In a recent study we conducted of software devel...
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