Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs
===================================================================
diff -u -r2ecbb5230248dc9f9b6706a0fd8ced09c9cd62c7 -r90f9c5637e4bbbe4204f45fdc549b416ba4f3453
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs	(.../DuneErosionPlugin.cs)	(revision 2ecbb5230248dc9f9b6706a0fd8ced09c9cd62c7)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs	(.../DuneErosionPlugin.cs)	(revision 90f9c5637e4bbbe4204f45fdc549b416ba4f3453)
@@ -227,11 +227,13 @@
         private static object[] FailureMechanismEnabledChildNodeObjects(DuneErosionFailureMechanismContext failureMechanismContext)
         {
             DuneErosionFailureMechanism wrappedData = failureMechanismContext.WrappedData;
+            IAssessmentSection assessmentSection = failureMechanismContext.Parent;
+
             return new object[]
             {
-                new CategoryTreeFolder(RingtoetsCommonFormsResources.FailureMechanism_Inputs_DisplayName, GetInputs(wrappedData, failureMechanismContext.Parent), TreeFolderCategory.Input),
-                new DuneLocationCalculationsGroupContext(failureMechanismContext.WrappedData.DuneLocations, failureMechanismContext.WrappedData, failureMechanismContext.Parent),
-                new CategoryTreeFolder(RingtoetsCommonFormsResources.FailureMechanism_Outputs_DisplayName, GetOutputs(wrappedData), TreeFolderCategory.Output)
+                new CategoryTreeFolder(RingtoetsCommonFormsResources.FailureMechanism_Inputs_DisplayName, GetInputs(wrappedData, assessmentSection), TreeFolderCategory.Input),
+                new DuneLocationCalculationsGroupContext(failureMechanismContext.WrappedData.DuneLocations, failureMechanismContext.WrappedData, assessmentSection),
+                new CategoryTreeFolder(RingtoetsCommonFormsResources.FailureMechanism_Outputs_DisplayName, GetOutputs(wrappedData, assessmentSection), TreeFolderCategory.Output)
             };
         }
 
@@ -244,10 +246,11 @@
             };
         }
 
-        private static IEnumerable<object> GetOutputs(DuneErosionFailureMechanism failureMechanism)
+        private static IEnumerable<object> GetOutputs(DuneErosionFailureMechanism failureMechanism, IAssessmentSection assessmentSection)
         {
             return new object[]
             {
+                new FailureMechanismAssemblyCategoriesContext(failureMechanism, assessmentSection, () => failureMechanism.GeneralInput.N), 
                 new FailureMechanismSectionResultContext<DuneErosionFailureMechanismSectionResult>(
                     failureMechanism.SectionResults, failureMechanism),
                 failureMechanism.OutputComments
Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Plugin.Test/TreeNodeInfos/DuneErosionFailureMechanismContextTreeNodeInfoTest.cs
===================================================================
diff -u -rca120cd6cf35b91c0acf363a4e6fc9638ec3f45f -r90f9c5637e4bbbe4204f45fdc549b416ba4f3453
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Plugin.Test/TreeNodeInfos/DuneErosionFailureMechanismContextTreeNodeInfoTest.cs	(.../DuneErosionFailureMechanismContextTreeNodeInfoTest.cs)	(revision ca120cd6cf35b91c0acf363a4e6fc9638ec3f45f)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Plugin.Test/TreeNodeInfos/DuneErosionFailureMechanismContextTreeNodeInfoTest.cs	(.../DuneErosionFailureMechanismContextTreeNodeInfoTest.cs)	(revision 90f9c5637e4bbbe4204f45fdc549b416ba4f3453)
@@ -128,13 +128,18 @@
             Assert.AreEqual("Oordeel", outputsFolder.Name);
             Assert.AreEqual(TreeFolderCategory.Output, outputsFolder.Category);
 
-            Assert.AreEqual(2, outputsFolder.Contents.Count());
+            Assert.AreEqual(3, outputsFolder.Contents.Count());
 
-            var failureMechanismResultsContext = (FailureMechanismSectionResultContext<DuneErosionFailureMechanismSectionResult>) outputsFolder.Contents.ElementAt(0);
+            var failureMechanismAssemblyCategoriesContext = (FailureMechanismAssemblyCategoriesContext)outputsFolder.Contents.ElementAt(0);
+            Assert.AreSame(failureMechanism, failureMechanismAssemblyCategoriesContext.WrappedData);
+            Assert.AreSame(assessmentSection, failureMechanismAssemblyCategoriesContext.AssessmentSection);
+            Assert.AreEqual(failureMechanism.GeneralInput.N, failureMechanismAssemblyCategoriesContext.GetNFunc());
+
+            var failureMechanismResultsContext = (FailureMechanismSectionResultContext<DuneErosionFailureMechanismSectionResult>) outputsFolder.Contents.ElementAt(1);
             Assert.AreSame(failureMechanism, failureMechanismResultsContext.FailureMechanism);
             Assert.AreSame(failureMechanism.SectionResults, failureMechanismResultsContext.WrappedData);
 
-            var outputComment = (Comment) outputsFolder.Contents.ElementAt(1);
+            var outputComment = (Comment) outputsFolder.Contents.ElementAt(2);
             Assert.AreSame(failureMechanism.OutputComments, outputComment);
         }