1 files changed, 17 insertions, 0 deletions

diff --git a/src/WixToolset.Extensibility/IInspectorCore.cs b/src/WixToolset.Extensibility/IInspectorCore.cs
new file mode 100644
index 00000000..06239ce5
--- /dev/null
+++ b/src/WixToolset.Extensibility/IInspectorCore.cs
@@ -0,0 +1,17 @@
+// 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.Extensibility
+{
+    using WixToolset.Data;
+
+    /// <summary>
+    /// Core facilities for inspector extensions.
+    /// </summary>
+    public interface IInspectorCore : IMessageHandler
+    {
+        /// <summary>
+        /// Gets whether an error occured.
+        /// </summary>
+        bool EncounteredError { get; }
+    }
+}