Index: Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Configurations/WaveConditionsCalculationConfigurationSchemaIdentifiers.cs
===================================================================
diff -u -r12ccd3dc7621c2cfc790f71e2b49f7acfdce04e1 -rbb81cbc775643d95f096bddf5e5dbdae234cf921
--- Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Configurations/WaveConditionsCalculationConfigurationSchemaIdentifiers.cs	(.../WaveConditionsCalculationConfigurationSchemaIdentifiers.cs)	(revision 12ccd3dc7621c2cfc790f71e2b49f7acfdce04e1)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Configurations/WaveConditionsCalculationConfigurationSchemaIdentifiers.cs	(.../WaveConditionsCalculationConfigurationSchemaIdentifiers.cs)	(revision bb81cbc775643d95f096bddf5e5dbdae234cf921)
@@ -24,9 +24,14 @@
     /// <summary>
     /// Container of identifiers related to the wave conditions calculation configuration schema definition.
     /// </summary>
-    internal static class WaveConditionsCalculationConfigurationSchemaIdentifiers
+    public static class WaveConditionsCalculationConfigurationSchemaIdentifiers
     {
         /// <summary>
+        /// The tag of elements containing the category type of revetment.
+        /// </summary>
+        public const string CategoryType = "categoriegrens";
+
+        /// <summary>
         /// The tag of elements containing the upper boundary of revetment.
         /// </summary>
         public const string UpperBoundaryRevetment = "bovengrensbekleding";