The documentation of RF 4.3.1 talk about the attribue "data" but it does not give a lot of information about when and how is it good to use this attribute. Any concrete example may help us - Thank you
data
false
java.lang.Object
Serialized (on default with JSON) data passed to the client by a developer on an AJAX request. It's accessible via "event.data" syntax. Both primitive types and complex types such as arrays and collections can be serialized and used with data
