Index: DamTools/LayerOnSlopeTool/trunk/src/Deltares.LayerOnSlopeTool.Application/CommandOptions.cs
===================================================================
diff -u -r3186 -r3189
--- DamTools/LayerOnSlopeTool/trunk/src/Deltares.LayerOnSlopeTool.Application/CommandOptions.cs	(.../CommandOptions.cs)	(revision 3186)
+++ DamTools/LayerOnSlopeTool/trunk/src/Deltares.LayerOnSlopeTool.Application/CommandOptions.cs	(.../CommandOptions.cs)	(revision 3189)
@@ -40,6 +40,9 @@
         [Option("o", "output", Required = false, DefaultValue = DefaultOutputFolder, HelpText = "Name and path of the output folder.")]
         public string OutputFolderName { get; set; }
 
+        [Option("l", "logfile", Required = false, DefaultValue = DefaultOutputFolder, HelpText = "Name of the logfile.")]
+        public string LogFileName { get; set; }
+
         [HelpOption]
         public string GetUsage()
         {
@@ -53,7 +56,7 @@
 
             this.HandleParsingErrorsInHelp(help);
 
-            help.AddPreOptionsLine("Usage: LayerOnSlopeTool[.exe] -i InputFolder -g GeometriesFolder [ -o OutputFolder]");
+            help.AddPreOptionsLine("Usage: LayerOnSlopeTool[.exe] -i InputFolder -g GeometriesFolder [-o OutputFolder] [-l LogFileName");
             help.AddOptions(this);
 
             return help;