1 files changed, 35 insertions, 0 deletions

diff --git a/src/WixToolset.Mba.Core/BootstrapperApplicationFactoryAttribute.cs b/src/WixToolset.Mba.Core/BootstrapperApplicationFactoryAttribute.cs
new file mode 100644
index 00000000..781d4ea1
--- /dev/null
+++ b/src/WixToolset.Mba.Core/BootstrapperApplicationFactoryAttribute.cs
@@ -0,0 +1,35 @@
+// 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.BootstrapperCore
+{
+    using System;
+
+    /// <summary>
+    /// Identifies the bootstrapper application factory class.
+    /// </summary>
+    /// <remarks>
+    /// This required assembly attribute identifies the bootstrapper application factory class.
+    /// </remarks>
+    [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = false)]
+    public sealed class BootstrapperApplicationFactoryAttribute : Attribute
+    {
+        private Type bootstrapperApplicationFactoryType;
+
+        /// <summary>
+        /// Creates a new instance of the <see cref="BootstrapperApplicationFactoryAttribute"/> class.
+        /// </summary>
+        /// <param name="bootstrapperApplicationFactoryType">The <see cref="Type"/> of the BA factory.</param>
+        public BootstrapperApplicationFactoryAttribute(Type bootstrapperApplicationFactoryType)
+        {
+            this.bootstrapperApplicationFactoryType = bootstrapperApplicationFactoryType;
+        }
+
+        /// <summary>
+        /// Gets the type of the bootstrapper application factory class to create.
+        /// </summary>
+        public Type BootstrapperApplicationFactoryType
+        {
+            get { return this.bootstrapperApplicationFactoryType; }
+        }
+    }
+}