Index: lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/service/DimdimService.java
===================================================================
diff -u -rf695bff519bc7847be4fba2800f633986dbb3310 -r27be972a55efcf6754f6399a59e6ab73ceb842aa
--- lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/service/DimdimService.java	(.../DimdimService.java)	(revision f695bff519bc7847be4fba2800f633986dbb3310)
+++ lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/service/DimdimService.java	(.../DimdimService.java)	(revision 27be972a55efcf6754f6399a59e6ab73ceb842aa)
@@ -28,6 +28,7 @@
 import java.util.List;
 import java.util.SortedMap;
 
+import org.lamsfoundation.lams.tool.ToolCompletionStatus;
 import org.lamsfoundation.lams.tool.ToolContentManager;
 import org.lamsfoundation.lams.tool.ToolOutput;
 import org.lamsfoundation.lams.tool.ToolOutputDefinition;
@@ -133,4 +134,8 @@
     public boolean isReadOnly(Long toolContentId) {
 	return false;
     }
+    @Override
+    public ToolCompletionStatus getCompletionStatus(Long learnerId, Long toolSessionId) {
+	return null;
+    }
 }
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