SentMessage.kt

val newMessage = Message().apply { text = "It's the message we will send" }
channelController.sendMessage(newMessage).enqueue {
   when (it.isSuccess) {
       true -> {
           // The message was sent, and we have all extra data on the message that return data() method
           val sentMessage = it.data()
       }
       false -> {
           // There was an error sending the message, you can check it on the error() method
           it.error()
       }
   }
}