When the user creates a new root on the Roots page, use their settings to seed the prefs for the root.
Make sure you've set your name, organization, email address and bio url via the Settings command in the dropdown menu.
On the Roots page, create a new root. Click on the gear to view the prefs. The settings in the Owner panel should reflect the settings you entered previously.
opmlEditor.member.getMemberPrefs
worldoutlinesuite.roots.initroot
worldOutlineSuite.roots.saveOutline