if let appGroupDefaults = UserDefaults(suiteName: "group.com.yourcompany.yourapp") {
    print(appGroupDefaults.dictionaryRepresentation())
}

import UIKit

class DebugViewController: UITableViewController {
    var files: [String] = []
    let fileManager = FileManager.default
    let appGroupID = "group.com.yourcompany.yourapp"

    override func viewDidLoad() {
        super.viewDidLoad()
        loadFiles()
    }

    func loadFiles() {
        if let containerURL = fileManager.containerURL(forSecurityApplicationGroupIdentifier: appGroupID) {
            do {
                files = try fileManager.contentsOfDirectory(atPath: containerURL.path)
                tableView.reloadData()
            } catch {
                print("Error loading files: \(error)")
            }
        }
    }

    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return files.count
    }

    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
        cell.textLabel?.text = files[indexPath.row]
        return cell
    }
}