Reference_Syntax.selectedMember( [ STRING param ] )
param (Optional)
A valid string representing the name of the exclusion group member, provided the exclusion group member is within the same scope as the referencing object. Otherwise, a valid string representing the reference syntax expression of the exclusion group member to select.
The object representing the selected member of the exclusion group. In LiveCycle Designer ES, for example, this method would return the selected radio button.
Form Model

selectedMember