Fire Local Notifications in Swift

notifications.swift

func fireNotification(title: String?, body: String?, id: String) {
        
        let content = UNMutableNotificationContent()
        if let title = title {
            content.title = title
        }
        if let body = body {
            content.body = body != "" ? body : "arrival"
        }
        content.sound = UNNotificationSound.default()
        
        let request = UNNotificationRequest.init(identifier: id, content: content, trigger: nil)
        
        // Schedule the notification.
        center.add(request, withCompletionHandler: { (error) in
            if error != nil {
                print("Something went wrong on ping for \(title): \(error)")
            }
        })
    }
    
    func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
        completionHandler(UNNotificationPresentationOptions.alert)
    }