Post function to add watcher to parent issue by user field/customfield in subtaskUse this post function to automatically add user in field/customfield as watcher to parent issue.
To add Update linked issue's field value with current issue, go to the transition of your workflow, switch to Post Functions tab and click on Add post function link.
Select JEP - Add User field as a watcher to parent issue and click Add button
Fill the form
- Choose field (Assignee, Reporter)
- Choose Customfield (any single or multi user custom fields are listed here)
Click Ok or Update button and that's it.
After the transition the users in either field or custom field will be automatically added as watchers to parent issue
This post function can be added more than once
Do not forget to publish the workflow!