diff --git a/src/activities/Elsa.Activities.File/Activities/WatchDirectory/WatchDirectoryBuilderExtensions.cs b/src/activities/Elsa.Activities.File/Activities/WatchDirectory/WatchDirectoryBuilderExtensions.cs
new file mode 100644
index 000000000..aad122344
--- /dev/null
+++ b/src/activities/Elsa.Activities.File/Activities/WatchDirectory/WatchDirectoryBuilderExtensions.cs
@@ -0,0 +1,13 @@
+using Elsa.Builders;
+using System;
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using System.Text;
+
+namespace Elsa.Activities.File
+{
+    public static class WatchDirectoryBuilderExtensions
+    {
+        public static IActivityBuilder WatchDirectory(this IActivityBuilder builder, Action<ISetupActivity<WatchDirectory>> setup, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) => builder.Then(setup, null, lineNumber, sourceFile);
+    }
+}