Index: lams_central/src/java/org/lamsfoundation/lams/util/CentralConstants.java
===================================================================
diff -u -r5a5f3640c4d5fdf0c302347e7d6b502a972fd9cc -rfebeff0798ff4e3cd2d285a856b921ba064686c3
--- lams_central/src/java/org/lamsfoundation/lams/util/CentralConstants.java	(.../CentralConstants.java)	(revision 5a5f3640c4d5fdf0c302347e7d6b502a972fd9cc)
+++ lams_central/src/java/org/lamsfoundation/lams/util/CentralConstants.java	(.../CentralConstants.java)	(revision febeff0798ff4e3cd2d285a856b921ba064686c3)
@@ -186,4 +186,10 @@
     public static final String RESPONSE_CONTENT_TYPE_DOWNLOAD = "application/x-download";
 
     public static final String HEADER_CONTENT_ATTACHMENT = "attachment;filename=";
+
+    public static final String PARAM_LEARNER_EXPORT_PORTFOLIO_ENABLE = "learnerEnableExport";
+
+    public static final String PARAM_LEARNER_PRESENCE_ENABLE = "learnerSeeOnline";
+
+    public static final String PARAM_LEARNER_IM_ENABLE = "learnerInstantMessaging";
 }
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