||unity-dev|| uAvatarChat: private messages?

Hi All,

I am currently working on extending uAvatarChat with several features. I've had some success, but I've encountered some problems too. I'm trying to implement private messages in the chat. I've been looking at the documentation on method invokeOnClient(), and I understand that I must use this to call a 'privateMessage' method... I'm confused where to go from here though - what does the privateMessage function need to do in order to get the message to the incoming textfield of (only) the intended client? I've had a look at the uClientChat demo files, but I'm still confused with the steps that are taken from when the message is sent to when it is received, and how to get this working in uAvatarChat.  Could anyone help with an explanation or some advice on how I could implement this? 

Thanks,

drew