Is there any such method in the API?
In my tree, nodes have different kind of userdata associated to them and it is seems rather unwise to me to proceed by testing all the possible userdata names each time I need to do something with a particular given node;
Regards
There is no legal way to obtain such info, but if you have not problems with using undocumented functionality, the next code will return required result
tree._idpull[ID]._userdatalist
where ID - id of tree element