@IBOutlet weak var bannerView: UIBannerView!
     
     
     self.bannerView.setDefaultBanners(banners: `yourArray`); // object of array has to conform IBannerModel protocol

private var yourArray = [YourArray]();

private func setUp()
{
    self.bannerView.dataSource = self;
    self.bannerView.delegate = self;
    self.bannerView.addRegisterCustomCell(nibName: "CustomCell", forCellWithReuseIdentifier: "CustomCell");
    self.bannerView.reloadData();
 }
     
 extension ViewController: UIBannerViewDataSource
 {
    func bannerView(_ bannerView: UIBannerView, didSelectItemAt indexPath: IndexPath)
    {
        print("tapped \(indexPath)");
    }
}

extension ViewController: UIBannerViewDelegate
{
    func bannerView(_ bannerView: UIBannerView, numberOfItemsInSection section: Int) -> Int
    {
        return self.customBanner.count;
    }
    
    func bannerView(_ bannerView: UIBannerView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell
    {
        let cell = bannerView.dequeueReusableCell(withReuseIdentifier: "CustomCell", for: indexPath) as! CustomCell;
        cell.bind(model: self.customBanner[indexPath.row]);
        return cell;
    }
}