Evaluates the specified reference syntax expression, beginning with the current XML form object model object, and returns the value of the object or objects specified in the reference syntax expression.
this.resolveNodes() The search starts from the current object and moves up the form hierarchy.
xfa.resolveNodes() The search starts at the top of the form hierarchy and moves down.
Note:
Reference_Syntax.resolveNodes( STRING param )
tree class

resolveNodes