NotificationChannel.kt

    private fun createNotificationChannel() {
            val importance = NotificationManager.IMPORTANCE_HIGH
            val channel = NotificationChannel("to_do_list", "Tasks Notification Channel", importance).apply {
                description = "Notification for Tasks"
            }
            val notificationManager = activity?.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
            notificationManager.createNotificationChannel(channel)
    }