=item passwd
+Changes the password for an existing user in svc_acct. Takes a hash
+reference with the following keys:
+
+=over 4
+
+=item username
+
+Username of the account (required)
+
+=item domain
+
+Domain of the account (required)
+
+=item old_password
+
+Old password (required)
+
+=item new_password
+
+New password (required)
+
+=item new_gecos
+
+New gecos
+
+=item new_shell
+
+New Shell
+
+=back
+
=item chfn
=item chsh
New package to order (see L<FS::part_pkg>).
+=item quantity
+
+Quantity for this package order (default 1).
+
=back
Returns a hash reference with the following keys: