You can concatenate this information as a string and send it in as the 4th parameter when calling the nodes add method.

>In a tree view, is that a way to show a description of a code as in following view:-
>Root1--|
> |
> Child one Code----Child One Description
>eg
>Revenue--|
> |
> 1000-----Sales (where 1000 is the child but I need to show the word Sales next to it).
>Thanks in advance.
>Yau