Open a simple choose box and return the values
see choosebox
tools=choosebox=title=my ChooseBox/&
PreName=S/&
SecondName=S/&
FromDate,!From Date=D/&
Item=W==select "ItemCode","ItemName" from "OITM"
// Canceled?
if <return> = -1 then
return -1
end if
// Display value
messagebox=result: <aa:PreName>, <aa:SecondName>