Index: TECH/Http/Message.cls.xml
===================================================================
diff -u -r3563 -r3704
--- TECH/Http/Message.cls.xml	(.../Message.cls.xml)	(revision 3563)
+++ TECH/Http/Message.cls.xml	(.../Message.cls.xml)	(revision 3704)
@@ -25,6 +25,10 @@
 <Type>%String</Type>
 </Property>
 
+<Property name="XApiKey">
+<Type>%String</Type>
+</Property>
+
 <Property name="ContextEncoding">
 <Type>%String</Type>
 </Property>