1 files changed, 2 insertions, 0 deletions
diff --git a/BackEnd/Timeline/Controllers/HighlightTimelineController.cs b/BackEnd/Timeline/Controllers/HighlightTimelineController.cs
index e30cf720..94fdd01e 100644
--- a/BackEnd/Timeline/Controllers/HighlightTimelineController.cs
+++ b/BackEnd/Timeline/Controllers/HighlightTimelineController.cs
@@ -1,4 +1,5 @@
 using Microsoft.AspNetCore.Mvc;
+using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Timeline.Auth;
@@ -17,6 +18,7 @@ namespace Timeline.Controllers
     /// </summary>
     [ApiController]
     [ProducesErrorResponseType(typeof(CommonResponse))]
+    [Obsolete("Use v2 bookmark instead.")]
     public class HighlightTimelineController : MyControllerBase
     {
         private readonly IHighlightTimelineService _service;