go to post Rubens Silva · May 19, 2017 Both plus globals.NoSQL: set obj = ##class(Sample.Person).%New() set obj.Name = "John" set obj.Spouse = #class(Sample.Person).%OpenId(1) // Let's assume it's a woman. set sc = obj.%Save() // Use sc to know if any error happened. SQL: set s = ##class(%SQL.Statement).%New() set sc = s.%Prepare("INSERT INTO Package.PersistentClass (property) VALUES (propertyValue)") set sc = s.%Execute() // If everything is OK sc is 1, otherwise you might want to check s.%Message and s.%SQLCODE as well. You can also use embedded SQL, search for "&sql" on the link I provided.GlobalsWARNING: I don't recommend any manipulation using globals directly if you 're working with classes.Normally class globals are stored following the pattern below:^Package.ClassNameI for index^Package.ClassNameD for values^Package.ClassNameS for streamsCheck the class's Storage XML discover it's global structure.