Copy labels of a sub-task to the parent issue upon closing

Configuration steps

Definition of basic (required) parameters

Parameter	Value(s) / Steps to set value(s)	Notes
Target issue *	Parent issue	The parent of the current issue will be updated.
Fields *	Priority Value: Parser expression Expression: %{parent.labels}, %{issue.labels}	The current values of the Labels field will be added to the parent issue's Labels field.
Run as *	Current user	The post function will be executed as the current user.

Use case
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Function	Update fields
Type
Use case description	When a sub-task is closed, the labels of the sub-task will be added to the Labels field of the parent issue.
Complexity	BEGINNER