AnalyticsManagerService+UIApplicationDelegate.swift

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
    ...
    // Add our services
    AnalyticsManagerService.shared.add(service: FacebookAnalyticsService())
    AnalyticsManagerService.shared.add(service: FabricAnalyticsService())

    // Initialize the analytics
    AnalyticsManagerService.shared.initialize(application: application: launchOptions: launchOptions)

    ...
}