Is there a way to select a segue anchor programmatically?

Question

Suppose I have a Storyboard containing a view that contains a button. When the user presses this button, a popover comes up.

Thus, I need to set an anchor by dragging th

Answer 1

In the storyboard anchor the popover to some arbitrary button. Don't worry too much about which one as it will get overridden in the code.

In the view controller method prepareForSegue, add the code:

let dest = segue.destinationViewController
dest.popoverPresentationController?.barButtonItem = 

or if you want to anchor to a view instead

dest.popoverPresentationController?.barButtonItem = nil
dest.popoverPresentationController?.sourceView =