Thanks to Andreas Schneider <anschneider@suse.de>
--- /dev/null
+<samba:parameter name="hidden"
+ context="S"
+ type="boolean"
+ xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
+<description>
+ <para>If this parameter is set to <constant>yes</constant> for
+ a service, then the share will be hidden and can't be administrated (STYPE_DISKTREE_HIDDEN).
+
+ <para>See the section below on <smbconfoption name="security"/> for more information about this option.
+</description>
+<value type="default">no</value>
+</samba:parameter>