Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Build a Playlist Browser with Objective-C Working With Multiple View Controllers Modifying the UI

Prepare for seque and viewDestinationController - Can someone explain?

Question pertains to this code block from the tutorial -

  • (void)prepareForSegue:(UIStoryboardSegue )segue sender:(id)sender{ if ([segue.identifier isEqual:@"showPlaylistDetail"]) { PlaylistDetailViewController *playlistDetailController = (PlaylistDetailViewController)segue.destinationViewController; playlistDetailController.sequeLabelText = @"Yay, you've pressed the button";

So I understand mostly what is happening but this section is confusing me (i think because its basically the same three words)

PlaylistDetailViewController playlistDetailController = (PlaylistDetailViewController)segue.destinationViewController;

Could someone break down what each piece of this is doing?