To answer my own question, place a service model in the top-level system model and add the funtionality to that service model.
(Question was previously asked and answered approx. a year ago, or so.)
That's all.
To use the full functionality of this web site, JavaScript needs to be turned on.
For best results, use the Firefox browser..
Copyright © 2003-2017 - Tersus Software Ltd., All rights reserved. Terms of Use License Graphic design by EmaraDesign