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