Remove assignee when an issue moves back to To Do (URB)

You identify a change in priorities. Progress on an issue may need to be paused or stopped entirely so you want the Assignee field set to Unassigned when the issue and its child issues move back to TO DO.

com.atlassian.plugins.atlassian-connect-plugin:com.googlecode.jira-suite-utilities__jsu-universal-function

Update one or more fields with a defined value

The subtask(s) of the parent

Issue in transition must be Parent

JP-1
JSU Task 1
(3 subtasks)
THIS IS MY FIRST JQL EPIC
status
TO DO