1 files changed, 19 insertions, 0 deletions

diff --git a/src/WixToolset.Extensibility/Data/ICommandLineCommand.cs b/src/WixToolset.Extensibility/Data/ICommandLineCommand.cs
index 1c6de205..a0fc9454 100644
--- a/src/WixToolset.Extensibility/Data/ICommandLineCommand.cs
+++ b/src/WixToolset.Extensibility/Data/ICommandLineCommand.cs
@@ -4,14 +4,33 @@ namespace WixToolset.Extensibility.Data
 {
     using WixToolset.Extensibility.Services;
 
+    /// <summary>
+    /// Custom command.
+    /// </summary>
     public interface ICommandLineCommand
     {
+        /// <summary>
+        /// Indicates the command-line should show the command-line logo.
+        /// </summary>
         bool ShowLogo { get; }
 
+        /// <summary>
+        /// Indicates the command-line parsing can stop.
+        /// </summary>
         bool StopParsing { get; }
 
+        /// <summary>
+        /// Executes the command.
+        /// </summary>
+        /// <returns>Exit code for the command.</returns>
         int Execute();
 
+        /// <summary>
+        /// Allows the command to parse command-line arguments.
+        /// </summary>
+        /// <param name="parser">Parser to help parse the argument and additional arguments.</param>
+        /// <param name="argument">Argument to parse.</param>
+        /// <returns>True if the argument is recognized; otherwise false to allow another extension to process it.</returns>
         bool TryParseArgument(ICommandLineParser parser, string argument); 
     }
 }