diff --git a/Signum.React/ApiControllers/ReflectionController.cs b/Signum.React/ApiControllers/ReflectionController.cs
index 06284d57c7..ac7bf72562 100644
--- a/Signum.React/ApiControllers/ReflectionController.cs
+++ b/Signum.React/ApiControllers/ReflectionController.cs
@@ -4,12 +4,13 @@
 using Signum.Engine.Basics;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Authorization;
+using Signum.React.Filters;
 
 namespace Signum.React.ApiControllers
 {
     public class ReflectionController : ControllerBase
     {
-        [HttpGet("api/reflection/types"), AllowAnonymous]
+        [HttpGet("api/reflection/types"), SignumAllowAnonymous]
         public Dictionary<string, TypeInfoTS> Types()
         {
             return ReflectionServer.GetTypeInfoTS();
diff --git a/Signum.React/Filters/SignumAllowAnonymousAttribute.cs b/Signum.React/Filters/SignumAllowAnonymousAttribute.cs
new file mode 100644
index 0000000000..d3521c3b5d
--- /dev/null
+++ b/Signum.React/Filters/SignumAllowAnonymousAttribute.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Signum.React.Filters
+{
+    [System.AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = false)]
+    public sealed class SignumAllowAnonymousAttribute : Attribute
+    {
+    }
+}