Now I have this:
=If(Count([Variable Userresponse])>1;"XYZ Report";[Variable Userresponse]+ " XYZ Report")
I am making selection of multiple values at run time then it show me only XYZ Report, when I make a single selection then it show me the selection value along with XYZ Report.
But I am looking for the multiple selection to be passed in this and sows some thing like xxx,xyz,zzz Report (xxx,xyz,zzz are the different values I selected from optional prompt