With this workflow post-function, you can copy the value of a field to another field within the same issue.
Postfunction
in the properties panel.Add
postfunction
.Copy Value From Field / Custom Field Postfunction
from the list of postfunctions.Add
to add the postfunction on the transition.From field – The source field from where copy the value.
To field – The destination field to where copy the value.
User - If select, WMB will use this user to comment the issue.
Enabled - If checked, the Postfunction will be executed.
Alternatively, you can configure this postfunction to run only when the 'From field' will not be empty