--- a/doc/customizing.txt	Sun Jan 09 19:01:09 2005 +0000
+++ b/doc/customizing.txt	Thu Jan 13 04:49:23 2005 +0000
@@ -2,7 +2,7 @@
 Customising Roundup
 ===================
 
-:Version: $Revision: 1.164 $
+:Version: $Revision: 1.165 $
 
 .. This document borrows from the ZopeBook section on ZPT. The original is at:
    http://www.zope.org/Documentation/Books/ZopeBook/current/ZPT.stx
@@ -447,6 +447,17 @@
 * A Multilink property refers to possibly many items in a specified
   class. The value is a list of integers.
 
+All Classes automatically have a number of properties by default:
+
+*creator*
+  Link to the user that created the item.
+*creation*
+  Date the item was created.
+*actor*
+  Link to the user that last modified the item.
+*activity*
+  Date the item was last modified.
+
 
 FileClass
 ~~~~~~~~~