Notification.kt

    fun createNotificationWithConversationText(context: Context){
        val message1 = NotificationCompat.MessagingStyle.Message("Hi, there",
            12345L,
            "Martin")
        val message2 = NotificationCompat.MessagingStyle.Message("Hello",
            12345L,
            "You")

        val notification = NotificationCompat.Builder(context, NotificationChannels.CHANNEL1)
            .setSmallIcon(R.drawable.desk)
            .setStyle(NotificationCompat.MessagingStyle("Arun")
                .addMessage(message1)
                .addMessage(message2))
            .build()

        with(NotificationManagerCompat.from(context)) {
            notify(12544567, notification)
        }
    }