1 files changed, 30 insertions, 1 deletions

diff --git a/src/WixToolset.Data/Symbols/PatchMetadataSymbol.cs b/src/WixToolset.Data/Symbols/PatchMetadataSymbol.cs
index 3f67aef7..201b8444 100644
--- a/src/WixToolset.Data/Symbols/PatchMetadataSymbol.cs
+++ b/src/WixToolset.Data/Symbols/PatchMetadataSymbol.cs
@@ -20,6 +20,8 @@ namespace WixToolset.Data
 
 namespace WixToolset.Data.Symbols
 {
+    using System;
+
     public enum PatchMetadataSymbolFields
     {
         Company,
@@ -27,6 +29,33 @@ namespace WixToolset.Data.Symbols
         Value,
     }
 
+    /// <summary>
+    /// Values for the OptimizeCA MsiPatchMetdata property, which indicates whether custom actions can be skipped when applying the patch.
+    /// </summary>
+    [Flags]
+    public enum OptimizeCAFlags
+    {
+        /// <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
+    }
+
     public class PatchMetadataSymbol : IntermediateSymbol
     {
         public PatchMetadataSymbol() : base(SymbolDefinitions.PatchMetadata, null, null)
@@ -57,4 +86,4 @@ namespace WixToolset.Data.Symbols
             set => this.Set((int)PatchMetadataSymbolFields.Value, value);
         }
     }
-}
\ No newline at end of file
+}