When attempting to enable a link within the main UI to change portals, the old control ChangePortalLayout causes a section of the user portal to appear in the layout of an administrator portal. How can the application be customized to allow switching between portals without using the navigation menu. Attempts to copy sections of code from the pyCaseManager navigation rule have not succeeded.
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I would suspect you could achieve this goal by adding a HTML script to the section which you want to empower to have this ability and then have a button with an action event to run script. I haven't been able to test but from the looks of SA-673 the script used might be a good starting point.