Custom properties are unique settings in the
administrative console. They are name-value pairs that you can enter
on specific administrative console pages.
Last updated: Oct 16, 2009 11:14:15 AM EDT http://publib.boulder.ibm.com/infocenter/wxdinfo/v6r0/index.jsp?topic=/com.ibm.websphere.xd.doc/info/reference/rcustomproperties.html