%toupper( … )
Dynamically expands the string and returns the uppercase version of it.
The uppercasecase operation is done using the current locale.
Example
&control.Tmp-String-0 := "caipirinha"
&reply.Reply-Message := "toupper of %{control.Tmp-String-0} is " + %toupper(%{control.Tmp-String-0})
Output
toupper of caipirinha is CAIPIRINHA