sId = pMe.Pm("/data/#vars/Temperature/#ext/trend").TrendId;//orsId = pMe.Pm("/data/#vars/Temperature").Extension("trend").TrendId;//orsId = pMe.Pm("/data").Item("Temperature").Extension("trend").TrendId;
sId = pMe.Pm("/data/#vars/Temperature/#ext/trend").TrendId'orsId = pMe.Pm("/data/#vars/Temperature").Extension("trend").TrendId'orsId = pMe.Pm("/data").Item("Temperature").Extension("trend").TrendId
$.expr("pVar.Extension('trend').TrendId")