- (void)registerForPushNotifications:(UIApplication *)application {
    // Set delegate to self
    [UNUserNotificationCenter currentNotificationCenter].delegate = self;
    
    // Define the push notification options
    UNAuthorizationOptions pushAuthOptions = UNAuthorizationOptionAlert | 
        UNAuthorizationOptionBadge | 
        UNAuthorizationOptionSound;
    
    // Request push notification authorization
    [[UNUserNotificationCenter currentNotificationCenter] 
        requestAuthorizationWithOptions:pushAuthOptions 
        completionHandler:^(BOOL granted, NSError * _Nullable error) {
            if (error) {
                NSLog(@"registerForPushNotifications : failure - %@", error.localizedDescription);
            }
            
            if (granted) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    [application registerForRemoteNotifications];
                });
            }
        }];
}

- (void)userNotificationCenter:(UNUserNotificationCenter *)center 
    didReceiveNotificationResponse:(UNNotificationResponse *)response 
    withCompletionHandler:(void (^)(void))completionHandler {
    
    // Extract the push notification payload (user info)
    NSDictionary *userInfo = response.notification.request.content.userInfo;
    
    // Log the userInfo dictionary for debugging purposes
    NSLog(@"didReceiveNotificationResponse userInfo = %@", userInfo);
    
    // Pass the notification data to Singular for tracking
    [Singular handlePushNotification:userInfo];
    
    // Call the completion handler to indicate processing is complete
    completionHandler();
}

- (SingularConfig *)getConfig {
    SingularConfig *config = [[SingularConfig alloc] initWithApiKey:@"SDK_KEY" 
        andSecret:@"SDK_SECRET"];
    
    // Configure push notification link paths
    config.pushNotificationLinkPath = @[
        @[@"sng_link"],
        @[@"rootObj", @"nestedObj", @"anotherNested", @"singularLink"]
    ];
    
    return config;
}

// Start the Singular SDK with the configuration
SingularConfig *config = [self getConfig];
[Singular start:config];

- (SingularConfig *)getConfig {
    SingularConfig *config = [[SingularConfig alloc] initWithApiKey:@"SDK_KEY" 
        andSecret:@"SDK_SECRET"];
    
    // Configure ESP domains for wrapped links
    config.espDomains = @[@"sl.esp.link", @"custom.domain.com"];
    
    return config;
}