@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate{

    var window: UIWindow?
    

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        //--- Rest of Implementation
      
        //For registering for remote notification
        let categories = self.getCategories()
        MoEngageSDKMessaging.sharedInstance.registerForRemoteNotification(withCategories: categories, andUserNotificationCenterDelegate:self)
        
        //--- Rest of Implementation
        
        return true
    }
    
    //Example to define categories
    //This method gives categories
    func getCategories() -> Set<UNNotificationCategory>{
        
        let acceptAction = UNNotificationAction.init(identifier: "ACCEPT_IDENTIFIER", title: "Accept", options: .authenticationRequired)
        let declineAction = UNNotificationAction.init(identifier: "DECLINE_IDENTIFIER", title: "Decline", options: .destructive)
        let maybeAction = UNNotificationAction.init(identifier: "MAYBE_IDENTIFIER", title: "May Be", options: .foreground)
        
        let inviteCategory = UNNotificationCategory.init(identifier: "INVITE_CATEGORY", actions: [acceptAction,declineAction,maybeAction], intentIdentifiers: [], options: .customDismissAction)
        let categoriesSet = Set.init([inviteCategory])
        
        return categoriesSet;
    }
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOption
{
 ---------
    
    NSSet* categories = [self getNotificationCategories];
  	[[MoEngageSDKMessaging sharedInstance] registerForRemoteNotificationWithCategories:categories andUserNotificationCenterDelegate:self];
    }
  
 ---------
    return YES;
}

//Example to define categories
//This method gives categories 
-(NSSet*)getNotificationCategories{

    UNNotificationAction *acceptAction = [UNNotificationAction actionWithIdentifier:@"ACCEPT_IDENTIFIER" title:@"Accept" options:UNNotificationActionOptionAuthenticationRequired];
    UNNotificationAction *declineAction = [UNNotificationAction actionWithIdentifier:@"DECLINE_IDENTIFIER" title:@"Decline" options:(UNNotificationActionOptionDestructive)];
    UNNotificationAction *maybeAction = [UNNotificationAction actionWithIdentifier:@"MAYBE_IDENTIFIER" title:@"May Be" options:UNNotificationActionOptionNone];
    
    UNNotificationCategory* inviteCategory = [UNNotificationCategory categoryWithIdentifier:@"INVITE_CATEGORY"actions:@[acceptAction,maybeAction, declineAction,opt4Action] intentIdentifiers:@[] options:UNNotificationCategoryOptionNone];
    
    NSSet *categories = [NSSet setWithObjects:inviteCategory,nil];
    
    return categories;
}