go to post Joao Palma · Feb 22, 2019 To add up so we can help someone else...This is what I really needed for this to workSet reader = ##class(%XML.Reader).%New() Set status = reader.OpenString(messagedata) Do reader.Rewind() If $$$ISERR(status) {do $System.Status.DisplayError(status)} // Associate a class name with the XML element name Do reader.Correlate("MIU","Message.Request")