value = pMe.Pm("/data/#vars/Temperature/#ext/al").Max2; // or value = pMe.Pm("/data/#vars/Temperature").Extension("al").Max2; // or value = pMe.Pm("/data").Item("Temperature").Extension("al").Max2;
value = pMe.Pm("/data/#vars/Temperature/#ext/al").Max2 ' or value = pMe.Pm("/data/#vars/Temperature").Extension("al").Max2 ' or value = pMe.Pm("/data").Item("Temperature").Extension("al").Max2
$.expr("pVar.Extension('al').Max2")