Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/dao/INoticeboardSessionDAO.java
===================================================================
diff -u -r3c411abe5fdcbc696e832c50ee9efebb271d3d2a -r4fed3deaa9dcbb5f613e7bdbb2e9b0b5562a6853
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/dao/INoticeboardSessionDAO.java	(.../INoticeboardSessionDAO.java)	(revision 3c411abe5fdcbc696e832c50ee9efebb271d3d2a)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/dao/INoticeboardSessionDAO.java	(.../INoticeboardSessionDAO.java)	(revision 4fed3deaa9dcbb5f613e7bdbb2e9b0b5562a6853)
@@ -21,6 +21,7 @@
 package org.lamsfoundation.lams.tool.noticeboard.dao;
 
 import org.lamsfoundation.lams.tool.noticeboard.NoticeboardSession;
+import org.lamsfoundation.lams.tool.noticeboard.NoticeboardUser;
 
 
 /**
@@ -48,4 +49,5 @@
     
     public void removeNbUsers(NoticeboardSession nbSession); /** TODO: write testcase and def for removeNbUsers */
 
+    public void addNbUsers(Long nbSessionId, NoticeboardUser user);
 }
\ No newline at end of file