xcode - Custom Unwind Segue in UINavigationController -

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i have searched many posts not answer question. have uitabbarcontroller present uinavigationcontroller using custom segue. presents issue there no way unwind same way when press button. have created custom unwind segue class well, there no way @ programmatically or through storyboards create unwind action , assign custom unwind segue class in uinavigationcontroller. ?


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