contextMenuConfigurationForItemAt.swift

func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
let configuration = UIContextMenuConfiguration(identifier: "\(indexPath.row)" as NSCopying, previewProvider: {
            return SecondViewController(index: indexPath.row)
        }){ action in
//add your uimenu as earlier
}
}