Index: ECONimpl/PM/Maatwerk/EconConfiguratieKeysBuilder.cls.xml
===================================================================
diff -u -r39769 -r39814
--- ECONimpl/PM/Maatwerk/EconConfiguratieKeysBuilder.cls.xml	(.../EconConfiguratieKeysBuilder.cls.xml)	(revision 39769)
+++ ECONimpl/PM/Maatwerk/EconConfiguratieKeysBuilder.cls.xml	(.../EconConfiguratieKeysBuilder.cls.xml)	(revision 39814)
@@ -5,7 +5,7 @@
 <Super>TECH.RegisteredObject</Super>
 
 <Method name="BuildKeys">
-<FormalSpec><![CDATA[ClassName:%String,&Properties:TECH.MultiDim]]></FormalSpec>
+<FormalSpec><![CDATA[ClassName:%String,&Properties:TECH.MultiDim,Prefix:%String="Data."]]></FormalSpec>
 <ProcedureBlock>0</ProcedureBlock>
 <Implementation><![CDATA[
 	kill arrHULP($job)
@@ -16,7 +16,7 @@
 
 	set Property=""
 	for {  set Property = $order(arrProperties(Property)) quit:Property=""
-		set Properties("Data."_Property) = arrProperties(Property)
+		set Properties(Prefix_Property) = arrProperties(Property)
 	}
 	
 	kill arrProperties
Index: ECON/PM/Maatwerk/dto/LbxKenmerken.cls.xml
===================================================================
diff -u -r39759 -r39814
--- ECON/PM/Maatwerk/dto/LbxKenmerken.cls.xml	(.../LbxKenmerken.cls.xml)	(revision 39759)
+++ ECON/PM/Maatwerk/dto/LbxKenmerken.cls.xml	(.../LbxKenmerken.cls.xml)	(revision 39814)
@@ -165,7 +165,7 @@
 <Implementation><![CDATA[
 	#dim Code,Key,Keys,Properties,Property
 
-	do ##class(ECONimpl.PM.Maatwerk.EconConfiguratieKeysBuilder).%New().BuildKeys(%class.Name,.Keys)	
+	do ##class(ECONimpl.PM.Maatwerk.EconConfiguratieKeysBuilder).%New().BuildKeys(%class.Name,.Keys,"Data.Kenmerken.")	
 	do arrProperties^vhLib.Class(%class.Name,.Properties,"A","A","A",1)
 	
 	set (Property,Key)=""
@@ -186,7 +186,7 @@
 <Implementation><![CDATA[
 	#dim Code,Key,Keys,Properties,Property
 
-	do ##class(ECONimpl.PM.Maatwerk.EconConfiguratieKeysBuilder).%New().BuildKeys(%class.Name,.Keys)
+	do ##class(ECONimpl.PM.Maatwerk.EconConfiguratieKeysBuilder).%New().BuildKeys(%class.Name,.Keys,"Data.Kenmerken.")
 	do arrProperties^vhLib.Class(%class.Name,.Properties,"A","A","A",1)
 	
 	do %code.WriteLine($$$TAB_"set KenmerkenArray = ##class(%ArrayOfDataTypes).%New()")