2 files changed, 11 insertions, 15 deletions

diff --git a/src/api/wix/WixToolset.Extensibility/Data/ILayoutContext.cs b/src/api/wix/WixToolset.Extensibility/Data/ILayoutContext.cs
index b11b4d13..981ed38e 100644
--- a/src/api/wix/WixToolset.Extensibility/Data/ILayoutContext.cs
+++ b/src/api/wix/WixToolset.Extensibility/Data/ILayoutContext.cs
@@ -32,24 +32,14 @@ namespace WixToolset.Extensibility.Data
         IReadOnlyCollection<IFileTransfer> FileTransfers { get; set; }
 
         /// <summary>
-        /// File to capture list of content files.
-        /// </summary>
-        string ContentsFile { get; set; }
-
-        /// <summary>
-        /// File to capture list of output files.
-        /// </summary>
-        string OutputsFile { get; set; }
-
-        /// <summary>
         /// Intermediate folder.
         /// </summary>
         string IntermediateFolder { get; set; }
 
         /// <summary>
-        /// List of built output files.
+        /// File to capture list of content, built output and copied output files.
         /// </summary>
-        string BuiltOutputsFile { get; set; }
+        string TrackingFile { get; set; }
 
         /// <summary>
         /// Reset ACLs on file transfers.
diff --git a/src/api/wix/WixToolset.Extensibility/Data/TrackedFileType.cs b/src/api/wix/WixToolset.Extensibility/Data/TrackedFileType.cs
index e7f53842..904a990f 100644
--- a/src/api/wix/WixToolset.Extensibility/Data/TrackedFileType.cs
+++ b/src/api/wix/WixToolset.Extensibility/Data/TrackedFileType.cs
@@ -25,9 +25,15 @@ namespace WixToolset.Extensibility.Data
         Intermediate,
 
         /// <summary>
-        /// Final output (like a .msi, .cab or .wixpdb).
-        /// These are the whole point of the build process.
+        /// Output created by the build process itself (like a .msi, .cab or .wixpdb).
+        /// These files can be recreated in the final output location by building again.
         /// </summary>
-        Final,
+        BuiltOutput,
+
+        /// <summary>
+        /// Output copied by the build process (like external files in an .msi).
+        /// These files are not created by the build process but are copied to the final output location.
+        /// </summary>
+        CopiedOutput,
     }
 }