Admin Section
Add the sister navigation content, save and approve the page. The page must be
saved as "Global - Sister Navigation"
under the "Admin" channel.
After the page is finalised and approved the
"Admin" channel must be removed out of publication(Not deleted) to
make sure outside users do not access the page/channel. All the new/refreshed
templates would now pull out the data from this page for the top sister
navigation.