     private func addMessage(withId id: String, name: String, text: String) {
         let message = Message(userId: id, userName: name, message: text)
         
-        ChatFacade.createMessage(channelId: (channel?.id!)!, message: message)
+        ChatFacade.createMessage(channelId: (channel.id!), message: message)
     }
 }

    var user:User!
    var channel:Channel! {
        didSet {
            title = channel!.name
        }
    }
    

    }
    
    func configureObserver() {
        ChatFacade.observeMessages(byListingLast: 25, channelId: (channel.id!)) { message in
            self.messages.append(message)
            JSQSystemSoundPlayer.jsq_playMessageReceivedAlert()
            self.finishReceivingMessage()
