EventBusController.swift

func setupEventBusSubscriber() {
    _ = EventBus.onMainThread(self, name: "fetchEmployees") { result in
        if let event = result!.object as? EmployeesEvent {
            if event.employees != nil {
                self.showTableView()
            } else if let message = event.errorMessage {
                self.showAlert(title: "Error", message: message)
            }
        }
    }
}