Saving the text inside a UITextView to iCloud.

Below I have attached the code for the text extraction. The extracted text is saved in the UITextView and it is this which I want stored on iCloud using the code from the previous post.

Many thanks for your help.

import SwiftUI
import UIKit
import Vision
class ViewController2: UIViewController {
    let stackView: UIStackView = {
        let stack = UIStackView()
        stack.axis = .vertical
        stack.alignment = .center
        stack.spacing = 20
        return stack
    }()
    @IBOutlet weak var imageView: UIImageView!
    @IBOutlet weak var textView: UITextView!
    @IBOutlet weak var activityIndicator: UIActivityIndicatorView!
    @IBOutlet weak var button: UIButton!
    @IBOutlet weak var shareButton: UIButton!
    override func viewDidLoad() {
        super.viewDidLoad()
        //setupUI()
        button.backgroundColor = .systemCyan // Background colour of the select photo button
        button.setTitle("Select Photo", for: .normal) // Button text
        button.setTitleColor(.white, for: .normal) // Button text Colour
        // Rounding the edges of the 'Select Photo' button:
        button.layer.cornerRadius = 25
        button.layer.borderWidth = 20
        button.layer.borderColor = UIColor.systemCyan.cgColor
        // Rounding the edges of the 'Share' button:
        shareButton.layer.cornerRadius = 25
        shareButton.layer.borderWidth = 10
        shareButton.layer.borderColor = UIColor.systemCyan.cgColor
        stopAnimating() // Activity indicator disappears
    }
    // Defining the activity indicators show and spin
    private func startAnimating() {
        self.activityIndicator.startAnimating()
    }
    // Defining the activity indicators stop and hide
    private func stopAnimating(){
        self.activityIndicator.stopAnimating()
    }
    @IBAction func selectPhotoButton(_ sender: Any) { // When selectPhoto button is pressed,
        SelectPhotoButtonPressed() // run the function SelectPhotoButtonPressed.
    }
    private func SelectPhotoButtonPressed(){
        if UIImagePickerController.isSourceTypeAvailable(.photoLibrary){
            let imageSelector = UIImagePickerController() // Apple's interface for taking pictures and loading items from camera roll
            imageSelector.sourceType = .photoLibrary // Opens the device's photo library
            imageSelector.delegate = self // Leaves the UIImagePickerController when a picture is selected
            self.present(imageSelector, animated: true, completion: nil) // Present the imageSelector  
        }
    }
    // Text Recognition
    // Create request
    var request = VNRecognizeTextRequest(completionHandler: nil)
    private func VisionOCR(image: UIImage?){
        var textString = "" // Variable textString = string
        // Create completion handler
        request = VNRecognizeTextRequest(completionHandler: { (request, error)in  // Locates all the text in the image.
            // Results are in the request
            guard let results = request.results as?[VNRecognizedTextObservation] else {fatalError("Recieved Invalid Observation")}
            for visionResult in results{
                guard let recognisedText = visionResult.topCandidates(1).first else{ // Text stored in chronological order.
                    print("No text")
                    continue
                }
                textString += "\n\(recognisedText.string)"
                DispatchQueue.main.async{ // FIFO queue
                    self.stopAnimating() // Hide the activityIndicator
                    self.textView.text = textString // Assign the textView the recoginsed text
                }
            }
        })
        // Properties
        request.minimumTextHeight = 0.03125 // Default mimnimum height for text to be recognised in comparison to image, (1/32).
        request.recognitionLevel = .accurate // Choice between accurate and fast.
        request.recognitionLanguages = ["en_UK", "en-US", "fr-FR", "it-IT", "de-DE", "es-ES", "pt-BR", "zh-Hans", "zh-Hant", "yue-Hans", "yue-Hant", "ko-KR", "ja-JP", "ru-RU", "uk-UA"] // Recognisable languages.
        request.usesLanguageCorrection = true // Applies language correction.
        let requests = [request]
        // Request handler
        DispatchQueue.global(qos: .userInitiated).async{  // FIFO queue, qos (quality of service) determines priotity for scheduling tasks
            guard let img = image?.cgImage else {fatalError("Missing image to scan")} // Variable image = computer generated image
            // Create request handler
            let requestHandler = VNImageRequestHandler(cgImage: img, options: [:])  // Performs Vision requests
            // Send request to request handler
            try? requestHandler.perform(requests) // Schedules Vision requests to be performed
        }
    }
}
extension ViewController2: UIImagePickerControllerDelegate, UINavigationControllerDelegate{
    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey :Any]){
        picker.dismiss(animated: true, completion: nil)
        startAnimating()
        self.textView.text = ""
        let image = info[UIImagePickerController.InfoKey.originalImage]as?UIImage
        self.imageView.image = image
        VisionOCR(image: image)
    }
}
public struct storyboardview2: UIViewControllerRepresentable{
    public func makeUIViewController(context content: Context) -> UIViewController {
        let storyboard = UIStoryboard(name: "Main", bundle: Bundle.main)
        let controller = storyboard.instantiateViewController(identifier: "selectPhoto")
        return controller
    }
    public func updateUIViewController(_ uiViewController: UIViewController, context: Context) {
    }
}