How to display overlay image on camera

[Travloper]

I have popped oup the cameraa screen using the below code. I want to display an overlay image on the camera. Pl guide me how i can achieve.

Code -

    ```
    let imageView: UIImageView = forImageView
    
    let pickerController = DKImagePickerController()
    pickerController.sourceType = .camera
    pickerController.didSelectAssets = { (assets: [DKAsset]) in
        
        let options = PHImageRequestOptions()
        options.deliveryMode = .highQualityFormat
        options.isSynchronous = true
        
        DKImageAssetExporter.sharedInstance.exportAssetsAsynchronously(assets: assets) { (info) in
            
            for asset in assets {
                if let localTemporaryPath = asset.localTemporaryPath,
                    let data = try? Data(contentsOf: localTemporaryPath) {
                    imageView.image = UIImage(data: data)
                    completion(imageView.image)
                }
            }
        }
    }
    viewcontroler.present(pickerController, animated: true, completion: nil)
    
    completion(nil)