Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresConfigurationSchemaIdentifiers.cs
===================================================================
diff -u -r05772f7de5cf48deadb93cab09b6476af1a6e4c6 -r0cd1fd16e863360cf896de3a9f3754569d4b5030
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresConfigurationSchemaIdentifiers.cs	(.../StabilityPointStructuresConfigurationSchemaIdentifiers.cs)	(revision 05772f7de5cf48deadb93cab09b6476af1a6e4c6)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresConfigurationSchemaIdentifiers.cs	(.../StabilityPointStructuresConfigurationSchemaIdentifiers.cs)	(revision 0cd1fd16e863360cf896de3a9f3754569d4b5030)
@@ -19,6 +19,8 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using Ringtoets.StabilityPointStructures.Data;
+
 namespace Ringtoets.StabilityPointStructures.IO
 {
     /// <summary>
@@ -65,5 +67,22 @@
         /// The identifier for the flow velocity structure closable stochast name.
         /// </summary>
         public const string FlowVelocityStructureClosableStochastName = "kritiekestroomsnelheid";
+
+        /// <summary>
+        /// The identifier for the type of stability point structure inflow model elements.
+        /// </summary>
+        public const string InflowModelTypeElement = "instroommodel";
+
+        /// <summary>
+        /// The possible content of the <see cref="StabilityPointStructureInflowModelType"/> element indicating a
+        /// low sill structure.
+        /// </summary>
+        public const string InflowModelLowSillStructure = "lagedrempel";
+
+        /// <summary>
+        /// The possible content of the <see cref="StabilityPointStructureInflowModelType"/> element indicating a
+        /// flooded culvert structure.
+        /// </summary>
+        public const string InflowModelFloodedCulvertStructure = "verdronkenkoker";
     }
 }
\ No newline at end of file