1 files changed, 33 insertions, 0 deletions

diff --git a/src/WixToolset.Core/OptimizeCA.cs b/src/WixToolset.Core/OptimizeCA.cs
new file mode 100644
index 00000000..efd07299
--- /dev/null
+++ b/src/WixToolset.Core/OptimizeCA.cs
@@ -0,0 +1,33 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Core
+{
+    using System;
+
+    /// <summary>
+    /// Values for the OptimizeCA MsiPatchMetdata property, which indicates whether custom actions can be skipped when applying the patch.
+    /// </summary>
+    [Flags]
+    public enum OptimizeCA
+    {
+        /// <summary>
+        /// No custom actions are skipped.
+        /// </summary>
+        None = 0,
+
+        /// <summary>
+        /// Skip property (type 51) and directory (type 35) assignment custom actions.
+        /// </summary>
+        SkipAssignment = 1,
+
+        /// <summary>
+        /// Skip immediate custom actions that are not property or directory assignment custom actions.
+        /// </summary>
+        SkipImmediate = 2,
+
+        /// <summary>
+        /// Skip custom actions that run within the script.
+        /// </summary>
+        SkipDeferred = 4,
+    }
+}