Hi all, I am serialising a map<pair<MyKey,MyValue> > and in the XML is names the sections 'first' and 'second'. Is it possible to tell serialisation to save a particular pair type such that, in the preceding semi-example, it using my text (i.e. "MyKey" and "MyValue") instead of "first" and "second"? James This message (including any attachments) contains confidential and/or proprietary information intended only for the addressee. Any unauthorized disclosure, copying, distribution or reliance on the contents of this information is strictly prohibited and may constitute a violation of law. If you are not the intended recipient, please notify the sender immediately by responding to this e-mail, and delete the message from your system. If you have any questions about this e-mail please notify the sender immediately.