Free version of dhtmlxTree

Suite and Optimus Suite 5
#1

May I use in free version of dhtmlxTree functions:
serializeTree()
serializeTreeToJSON()
?

#2

serializeTree() - method is available in free version of the dhtmlxtree
serializeTreeToJSON() - method is available only in PRO version eof the dhtmlxTree

More info you can find the dhtmlxTree API page:
docs.dhtmlx.com/api__refs__dhtml … thods.html