Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs
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diff -u -r1639c5017fdc9549fb63aaf2b5a178d45bec3c3b -r36755a2f260964ef30be55dcef0f68167421d65f
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs	(.../MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs)	(revision 1639c5017fdc9549fb63aaf2b5a178d45bec3c3b)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs	(.../MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs)	(revision 36755a2f260964ef30be55dcef0f68167421d65f)
@@ -71,6 +71,44 @@
         /// </summary>
         public const string CreateZones = "bepaling";
 
+        #region Water stresses
+
+        /// <summary>
+        /// The identifier for water stresses elements.
+        /// </summary>
+        public const string WaterStressesElement = "waterspanningen";
+
+        /// <summary>
+        /// The tag of the element containing the average river water level.
+        /// </summary>
+        public const string WaterLevelRiverAverageElement = "ghw";
+
+        #region Drainage
+
+        /// <summary>
+        /// The identifier for drainage construction elements.
+        /// </summary>
+        public const string DrainageConstructionElement = "drainage";
+
+        /// <summary>
+        /// The tag of the element containing the value whether a drainage construction is present.
+        /// </summary>
+        public const string DrainageConstructionPresentElement = "aanwezig";
+
+        /// <summary>
+        /// The tag of the element containing the x coordinate of the drainage construction.
+        /// </summary>
+        public const string XCoordinateDrainageConstructionElement = "x";
+
+        /// <summary>
+        /// The tag of the element containing the z coordinate of the drainage construction.
+        /// </summary>
+        public const string ZCoordinateDrainageConstructionElement = "z";
+
+        #endregion
+
+        #endregion
+
         #region Dike soil scenario
 
         /// <summary>