Passing Data Around in Navigation Controller

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Hi All,

I'm wondering what is the best way to pass around a string within different views controllers in a navigation controller.

I have sort of a main "menu" screen, which I click a table cell in that pushs a new view controller where a text field is modified, then I want to hit save, pop the view controller and have the "menu" know what the new value is.

I've tried a bunch of different methods, none of which worked at all so I'm not even going to bother posting the code.

Thanks,
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