Index: lams_central/src/java/org/lamsfoundation/lams/util/CentralConstants.java
===================================================================
diff -u -rda98623387cff04c7e30d157e8d37da7ac128de4 -rb46f761cc1fe299aaeead9f54e5f3e31def7bf51
--- lams_central/src/java/org/lamsfoundation/lams/util/CentralConstants.java	(.../CentralConstants.java)	(revision da98623387cff04c7e30d157e8d37da7ac128de4)
+++ lams_central/src/java/org/lamsfoundation/lams/util/CentralConstants.java	(.../CentralConstants.java)	(revision b46f761cc1fe299aaeead9f54e5f3e31def7bf51)
@@ -66,6 +66,8 @@
 	public static final String PARAM_LEARNER_IDS = "learnerIds";
 	
 	public static final String PARAM_MONITOR_IDS = "monitorIds";
+	
+	public static final String PARAM_CUSTOM_CSV = "customCSV";
 
 	public static final String METHOD_START = "start";
 	
Index: lams_central/src/java/org/lamsfoundation/lams/web/LoginRequestServlet.java
===================================================================
diff -u -r8bdb10721522d226ef15e50da80916d2494a961d -rb46f761cc1fe299aaeead9f54e5f3e31def7bf51
--- lams_central/src/java/org/lamsfoundation/lams/web/LoginRequestServlet.java	(.../LoginRequestServlet.java)	(revision 8bdb10721522d226ef15e50da80916d2494a961d)
+++ lams_central/src/java/org/lamsfoundation/lams/web/LoginRequestServlet.java	(.../LoginRequestServlet.java)	(revision b46f761cc1fe299aaeead9f54e5f3e31def7bf51)
@@ -54,6 +54,7 @@
 import org.lamsfoundation.lams.usermanagement.UserOrganisation;
 import org.lamsfoundation.lams.usermanagement.UserOrganisationRole;
 import org.lamsfoundation.lams.usermanagement.service.IUserManagementService;
+import org.lamsfoundation.lams.util.CentralConstants;
 import org.lamsfoundation.lams.web.util.AttributeNames;
 import org.springframework.web.context.support.WebApplicationContextUtils;
 
@@ -110,14 +111,11 @@
 		String langIsoCode = request.getParameter(LoginRequestDispatcher.PARAM_LANGUAGE);
 
 	
-		
-		
+		// implicit login params
 		String firstName = request.getParameter(LoginRequestDispatcher.PARAM_FIRST_NAME);
 		String lastName = request.getParameter(LoginRequestDispatcher.PARAM_LAST_NAME);
 		String email = request.getParameter(LoginRequestDispatcher.PARAM_EMAIL);
-	
 		
-		
 		if (extUsername == null || method == null || serverId == null || timestamp == null
 				|| hash == null || extCourseId == null) {
 			response.sendError(HttpServletResponse.SC_BAD_REQUEST,
@@ -149,7 +147,6 @@
 			String loginRequestUsername = (String)hses.getAttribute("extUser");
 			if(loginRequestUsername != null && loginRequestUsername.equals(login)){
 				String url = LoginRequestDispatcher.getRequestURL(request);
-				log.debug("redirect url - "+url);
 				response.sendRedirect(response.encodeRedirectURL(url));
 				return;
 			} else if(loginRequestUsername != null && !loginRequestUsername.equals(login)){