title: Use an unwind segue in didSelectRowAtIndexPath?
body: <p>I have a root view controller A which push segues to a table view controller B. And when a row is selected in B. I want to use an unwind segue to go back to A and pass the text in the row back to the root view A. And then I use the the prepare for segue method to send the stint back like this:</p>
  
  <pre><code>- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{
       ViewControllerA *vca = (ViewControllerA *)segue.destinationViewController;
      vca.textString = [[_objects objectAtIndex:indexPath.row] objectForKey:@"title"];
  }
  </code></pre>
  
  <p>but what I don't know how to do, is to call the unwind segue in the didSelectRowAtIndexPath method.</p>
  
  <p>Thanks for the help in advance.</p>