Not sure about cloud, but you can definitely do this on JIRA Service Desk Server. We do this exact scenario using the Bob Swift 'create on transition' plugin.
On the service desk workflow, you can create a post function on the 'create' transition (or any applicable transition).
Add the 'create on transition' post function.
Specify the JIRA project the new issue should be created in, copy over any fields to the new issue, and specify how it should be linked (i.e. relates to)
...be more productive while being fun to use at the same time. For some, getting started can be a bit intimidating. This is especially true if Jira Service Desk is your first exposure to Atlassian...
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