Is MessageReceiver a specific attribute listener ...?

    May 30 2012 | 12:35 am
    I guess it isn't. I found that in the documentation (/Applications/Max6/java-doc/api/com/cycling74/max/MessageReceiver.html on OSX)
    Is there an example of use ? and where can we find all message-id to track ...?
    Is there a way to listen any changes from an attributes of an object not instantiated by the JAVA code itself ?