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By default, the prompted filename is first the name of the last loaded settings file if it was loaded. If no settings file has been loaded, then the prompted filename to save is of the form, JumpStart_<appType>_<file>_<title>.json, with non alpha-numeric characters removed.
jumpstartSaveAsDefaultFilename and the ability to save and load settings are available in releases of Profound UI later than Version 6 Fix Pack 4.1.