Notification.kt

    fun createNotificationWithBackStack(context: Context){
        val resultIntent = Intent(context, MainActivity2::class.java)
        val resultPendingIntent: PendingIntent? = TaskStackBuilder.create(context).run {
            addNextIntentWithParentStack(resultIntent)
            getPendingIntent(0,
                PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE)
        }

        val builder = NotificationCompat.Builder(context, NotificationChannels.CHANNEL1)
            .setSmallIcon(com.google.accompanist.permissions.R.drawable.notification_bg)
            .setContentTitle("textTitle")
            .setContentIntent(resultPendingIntent)
            .setContentText("textContent")
            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
            .setVisibility(VISIBILITY_SECRET)
            .addAction(
                R.drawable.ic_launcher_background,
                "Click",
                addAction(context, "click_action")
            )
            .addAction(replyAction(context))
            .setAutoCancel(true)

        val notificationManagerCompat = NotificationManagerCompat.from(context)

        notificationManagerCompat.notify(12345, builder.build())
    }