Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/INoticeboardService.java
===================================================================
diff -u -rbfbaf245519fd3a5892cf167317e384e5c175589 -re084d49e43c81e875178a992dee01df5c9ba77fc
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/INoticeboardService.java	(.../INoticeboardService.java)	(revision bfbaf245519fd3a5892cf167317e384e5c175589)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/INoticeboardService.java	(.../INoticeboardService.java)	(revision e084d49e43c81e875178a992dee01df5c9ba77fc)
@@ -31,7 +31,7 @@
 /**
  * Defines the contract that the tool service provider must follow
  * 
- *
+ * @author mtruong
  */
 public interface INoticeboardService {
 	
@@ -303,4 +303,11 @@
      */
     public void removeAttachmentByUuid(Long uuid);
     
+    /**
+     * This method retrieves the default content id.
+     * @param toolSignature The tool signature which is defined in lams_tool table.
+     * @return the default content id
+     */
+    public Long getToolDefaultContentIdBySignature(String toolSignature);
+    
 }