Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/IMacroStabilityInwardsSoilProfile.cs
===================================================================
diff -u -r9f936b0b29f490a024df02345df182133b1c041a -r85b10b88eb31823c50ca052d34baacc6e006ad4c
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/IMacroStabilityInwardsSoilProfile.cs	(.../IMacroStabilityInwardsSoilProfile.cs)	(revision 9f936b0b29f490a024df02345df182133b1c041a)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/IMacroStabilityInwardsSoilProfile.cs	(.../IMacroStabilityInwardsSoilProfile.cs)	(revision 85b10b88eb31823c50ca052d34baacc6e006ad4c)
@@ -19,16 +19,24 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System.Collections.Generic;
+
 namespace Ringtoets.MacroStabilityInwards.Data.SoilProfile
 {
     /// <summary>
     /// Interface for the different types of soil profile that can be used in macro stability inwards.
     /// </summary>
-    public interface IMacroStabilityInwardsSoilProfile
+    /// <typeparam name="T">The type of the soil profile.</typeparam>
+    public interface IMacroStabilityInwardsSoilProfile<out T> where T : IMacroStabilityInwardsSoilLayer
     {
         /// <summary>
         /// Gets the name of the soil profile.
         /// </summary>
         string Name { get; }
+
+        /// <summary>
+        /// Gets an <see cref="IEnumerable{T}"/> containing the layers of the soil profile.
+        /// </summary>
+        IEnumerable<T> Layers { get; }
     }
 }
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