Index: Ringtoets/Common/src/Ringtoets.Common.Data/FailureMechanism/IFailureMechanism.cs
===================================================================
diff -u -r6b9d81d78d70c5773a1255a6e49db0228cbff7f6 -r103f8cf52c957309a116106dc9ae31169ff83169
--- Ringtoets/Common/src/Ringtoets.Common.Data/FailureMechanism/IFailureMechanism.cs	(.../IFailureMechanism.cs)	(revision 6b9d81d78d70c5773a1255a6e49db0228cbff7f6)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/FailureMechanism/IFailureMechanism.cs	(.../IFailureMechanism.cs)	(revision 103f8cf52c957309a116106dc9ae31169ff83169)
@@ -44,6 +44,11 @@
         string Name { get; }
 
         /// <summary>
+        /// Gets or sets a value indicating whether this failure mechanism is relevant.
+        /// </summary>
+        bool IsRelevant { get; set; }
+
+        /// <summary>
         /// Gets a <see cref="IEnumerable{T}"/> of <see cref="ICalculationItem"/>.
         /// </summary>
         IEnumerable<ICalculationItem> CalculationItems { get; }