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How to kill/exit iOS application on a button click programmatically

I had been practising below code to kill an iOS application.
exit(0);
But last week, my application was rejected by app store due to following reason:

We found that your app includes a UI control for quitting the app. This is not in compliance with the iOS Human Interface Guidelines, as required by the App Store Review Guidelines.



To avoid any such rebuff, suspend the application using following code snippet.


UIApplication.shared.perform(#selector(NSXPCConnection.suspend))


Good news is that now my application is passed the iOS Human Interface Guidelines and live on app store.


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