swift - How to go backwards with TabBarControllers -

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i have tab bar controller setup 1 of items (i called settings) in tab bar directs navigation controller 2 view controllers. first being settings page, second being page user can more advanced things. user pretty clicks setting tab directed page can click button leads him allows him change advanced items.

when user finished changing items, able direct him home page using code.

self.tabbarcontroller?.selectedindex = 0

the issue i'm having when user clicks "settings" tab, directed more advanced view controller instead of original settings page. how can make restarts @ settings page instead of advanced view of settings.


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