Updating to iOS SDK V6 and plugins

In AppDelegate.swift, add the following:

import UIKit
import AppTrackingTransparency
import AppsFlyerLib
import UserNotifications
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    var window: UIWindow?
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // 1 - Get AppsFlyer preferences from .plist file
        guard let propertiesPath = Bundle.main.path(forResource: "afdevkey_donotpush", ofType: "plist"),
            let properties = NSDictionary(contentsOfFile: propertiesPath) as? [String:String] else {
                fatalError("Cannot find `afdevkey_donotpush`")
        }
        guard let appsFlyerDevKey = properties["appsFlyerDevKey"],
                   let appleAppID = properties["appleAppID"] else {
            fatalError("Cannot find `appsFlyerDevKey` or `appleAppID` key")
        }
        // 2 - Replace 'appsFlyerDevKey', `appleAppID` with your DevKey, Apple App ID
        AppsFlyerLib.shared().appsFlyerDevKey = appsFlyerDevKey
        AppsFlyerLib.shared().appleAppID = appleAppID        
        AppsFlyerLib.shared().delegate = self
        //  Set isDebug to true to see AppsFlyer debug logs
        AppsFlyerLib.shared().isDebug = true      

        // iOS 10 or later
        if #available(iOS 10, *) {
            UNUserNotificationCenter.current().requestAuthorization(options: [.badge, .alert, .sound]) { _, _ in }
            application.registerForRemoteNotifications()
        }
        // iOS 9 support - Given for reference. This demo app supports iOS 13 and above
        else {
            UIApplication.shared.registerUserNotificationSettings(UIUserNotificationSettings(types: [.badge, .sound, .alert], categories: nil))
            UIApplication.shared.registerForRemoteNotifications()
        }
        return true
    }
    func applicationDidBecomeActive(_ application: UIApplication) {
        // Start the SDK (start the IDFA timeout set above, for iOS 14 or later)
        AppsFlyerLib.shared().start()
    }
    // Open Univerasal Links
    // For Swift version < 4.2 replace function signature with the commented out code
    // func application(_ application: UIApplication, continue userActivity: NSUserActivity, restorationHandler: @escaping ([Any]?) -> Void) -> Bool { // this line for Swift < 4.2
    func application(_ application: UIApplication, continue userActivity: NSUserActivity, restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void) -> Bool {
        AppsFlyerLib.shared().continue(userActivity, restorationHandler: nil)
        return true
    }
    // Open Deeplinks
    // Open URI-scheme for iOS 8 and below
    func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
        AppsFlyerLib.shared().handleOpen(url, sourceApplication: sourceApplication, withAnnotation: annotation)
        return true
    }
    // Open URI-scheme for iOS 9 and above
    func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
        AppsFlyerLib.shared().handleOpen(url, options: options)
        return true
    }
    // Report Push Notification attribution data for re-engagements
    func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
        AppsFlyerLib.shared().handlePushNotification(userInfo)
    }
}
extension AppDelegate: AppsFlyerLibDelegate {
    // Handle Organic/Non-organic installation
    func onConversionDataSuccess(_ data: [AnyHashable: Any]) {
        print("onConversionDataSuccess data:")
        for (key, value) in data {
            print(key, ":", value)
        }
        if let status = data["af_status"] as? String {
            if (status == "Non-organic") {
                if let sourceID = data["media_source"],
                    let campaign = data["campaign"] {
                    print("This is a Non-Organic install. Media source: \(sourceID)  Campaign: \(campaign)")
                }
            } else {
                print("This is an organic install.")
            }
            if let is_first_launch = data["is_first_launch"] as? Bool,
                is_first_launch {
                print("First Launch")
            } else {
                print("Not First Launch")
            }
        }
    }
    func onConversionDataFail(_ error: Error) {
        print("\(error)")
    }
    // Handle Deeplink
    func onAppOpenAttribution(_ attributionData: [AnyHashable: Any]) {
        //Handle Deep Link Data
        print("onAppOpenAttribution data:")
        for (key, value) in attributionData {
            print(key, ":",value)
        }
    }
    func onAppOpenAttributionFailure(_ error: Error) {
        print("\(error)")
    }
}