UICollectionView: How to get the header view for a section?

Question

There is a method to get a cell by indexPath (UICollectionView cellForItemAtIndexPath:). But I can\"t find a method to get one of the supplementary vie

Answer 1

This method is often enough to serve the purpose of reloading on-screen supplementary views:

collectionView.visibleSupplementaryViews(ofKind: UICollectionElementKindSectionHeader)