Index: Riskeer/Revetment/src/Riskeer.Revetment.IO/Configurations/WaveConditionsCalculationConfiguration.cs
===================================================================
diff -u -r7491928192a7ecf23958f85fbd4669ec17085c95 -r7b1a1595118624b71c0b37ac4a4d2bb78252afce
--- Riskeer/Revetment/src/Riskeer.Revetment.IO/Configurations/WaveConditionsCalculationConfiguration.cs	(.../WaveConditionsCalculationConfiguration.cs)	(revision 7491928192a7ecf23958f85fbd4669ec17085c95)
+++ Riskeer/Revetment/src/Riskeer.Revetment.IO/Configurations/WaveConditionsCalculationConfiguration.cs	(.../WaveConditionsCalculationConfiguration.cs)	(revision 7b1a1595118624b71c0b37ac4a4d2bb78252afce)
@@ -50,6 +50,11 @@
         public string HydraulicBoundaryLocationName { get; set; }
 
         /// <summary>
+        /// Gets or sets the target probability of the calculation.
+        /// </summary>
+        public double? TargetProbability { get; set; }
+
+        /// <summary>
         /// Gets or sets the upper boundary of the revetment of the calculation.
         /// </summary>
         public double? UpperBoundaryRevetment { get; set; }
Index: Riskeer/Revetment/test/Riskeer.Revetment.IO.Test/Configurations/WaveConditionsCalculationConfigurationTest.cs
===================================================================
diff -u -r7491928192a7ecf23958f85fbd4669ec17085c95 -r7b1a1595118624b71c0b37ac4a4d2bb78252afce
--- Riskeer/Revetment/test/Riskeer.Revetment.IO.Test/Configurations/WaveConditionsCalculationConfigurationTest.cs	(.../WaveConditionsCalculationConfigurationTest.cs)	(revision 7491928192a7ecf23958f85fbd4669ec17085c95)
+++ Riskeer/Revetment/test/Riskeer.Revetment.IO.Test/Configurations/WaveConditionsCalculationConfigurationTest.cs	(.../WaveConditionsCalculationConfigurationTest.cs)	(revision 7b1a1595118624b71c0b37ac4a4d2bb78252afce)
@@ -53,6 +53,7 @@
             Assert.IsInstanceOf<IConfigurationItem>(readCalculation);
             Assert.AreEqual(name, readCalculation.Name);
             Assert.IsNull(readCalculation.HydraulicBoundaryLocationName);
+            Assert.IsNull(readCalculation.TargetProbability);
             Assert.IsNull(readCalculation.UpperBoundaryRevetment);
             Assert.IsNull(readCalculation.LowerBoundaryRevetment);
             Assert.IsNull(readCalculation.UpperBoundaryWaterLevels);
@@ -69,10 +70,11 @@
             // Setup
             const string calculationName = "Name of the calculation";
             const string hydraulicBoundaryLocation = "Name of the hydraulic boundary location";
-            const double upperBoundaryRevetment = 1.1;
-            const double lowerBoundaryRevetment = 2.2;
-            const double upperBoundaryWaterLevels = 3.3;
-            const double lowerBoundaryWaterLevels = 4.4;
+            const double targetProbability = 1.1;
+            const double upperBoundaryRevetment = 2.2;
+            const double lowerBoundaryRevetment = 3.3;
+            const double upperBoundaryWaterLevels = 4.4;
+            const double lowerBoundaryWaterLevels = 5.5;
             const ConfigurationWaveConditionsInputStepSize stepSize = ConfigurationWaveConditionsInputStepSize.Half;
             const string foreshoreProfileName = "Name of the foreshore profile";
             const double orientation = 6.6;
@@ -85,6 +87,7 @@
             var readWaveConditionsCalculation = new WaveConditionsCalculationConfiguration(calculationName)
             {
                 HydraulicBoundaryLocationName = hydraulicBoundaryLocation,
+                TargetProbability = targetProbability,
                 UpperBoundaryRevetment = upperBoundaryRevetment,
                 LowerBoundaryRevetment = lowerBoundaryRevetment,
                 UpperBoundaryWaterLevels = upperBoundaryWaterLevels,
@@ -104,6 +107,7 @@
             // Assert
             Assert.AreEqual(calculationName, readWaveConditionsCalculation.Name);
             Assert.AreEqual(hydraulicBoundaryLocation, readWaveConditionsCalculation.HydraulicBoundaryLocationName);
+            Assert.AreEqual(targetProbability, readWaveConditionsCalculation.TargetProbability);
             Assert.AreEqual(upperBoundaryRevetment, readWaveConditionsCalculation.UpperBoundaryRevetment);
             Assert.AreEqual(lowerBoundaryRevetment, readWaveConditionsCalculation.LowerBoundaryRevetment);
             Assert.AreEqual(upperBoundaryWaterLevels, readWaveConditionsCalculation.UpperBoundaryWaterLevels);