Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/Assembly/CombinedFailureMechanismSectionAssemblyResult.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -r8b284e50ea3041d9d670ddc9d7582ca3a8a4c4c5
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/Assembly/CombinedFailureMechanismSectionAssemblyResult.cs	(.../CombinedFailureMechanismSectionAssemblyResult.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/Assembly/CombinedFailureMechanismSectionAssemblyResult.cs	(.../CombinedFailureMechanismSectionAssemblyResult.cs)	(revision 8b284e50ea3041d9d670ddc9d7582ca3a8a4c4c5)
@@ -74,6 +74,11 @@
         }
 
         /// <summary>
+        /// Gets the number of the section.
+        /// </summary>
+        public int SectionNumber { get; }
+
+        /// <summary>
         /// Gets the start of the section from the beginning of the reference line.
         /// [m]
         /// </summary>
Index: Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/CombinedFailureMechanismSectionAssemblyResultTest.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -r8b284e50ea3041d9d670ddc9d7582ca3a8a4c4c5
--- Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/CombinedFailureMechanismSectionAssemblyResultTest.cs	(.../CombinedFailureMechanismSectionAssemblyResultTest.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/CombinedFailureMechanismSectionAssemblyResultTest.cs	(.../CombinedFailureMechanismSectionAssemblyResultTest.cs)	(revision 8b284e50ea3041d9d670ddc9d7582ca3a8a4c4c5)
@@ -59,6 +59,7 @@
                                                                            new CombinedFailureMechanismSectionAssemblyResult.ConstructionProperties());
 
             // Assert
+            Assert.AreEqual(0, result.SectionNumber);
             Assert.AreEqual(sectionStart, result.SectionStart);
             Assert.AreEqual(sectionEnd, result.SectionEnd);
             Assert.AreEqual(totalResult, result.TotalResult);
@@ -134,6 +135,7 @@
                                                                            });
 
             // Assert
+            Assert.AreEqual(0, result.SectionNumber);
             Assert.AreEqual(sectionStart, result.SectionStart);
             Assert.AreEqual(sectionEnd, result.SectionEnd);
             Assert.AreEqual(totalResult, result.TotalResult);