diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ac3f82b..db74cadd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # Change Log
 
+- csharp-mvc: onUserActionRequired
 - csharp: onUserActionRequired
 - nodejs: onUserActionRequired
 - nodejs: support vsdx in diagram editor
diff --git a/web/documentserver-example/csharp-mvc/Views/Home/Editor.aspx b/web/documentserver-example/csharp-mvc/Views/Home/Editor.aspx
index c4c832b1..006f6f5e 100644
--- a/web/documentserver-example/csharp-mvc/Views/Home/Editor.aspx
+++ b/web/documentserver-example/csharp-mvc/Views/Home/Editor.aspx
@@ -111,6 +111,10 @@
             innerAlert("Document editor closed successfully");
         };
 
+        var onUserActionRequired = function () {
+            console.log("User action required");
+        };
+
         // the meta information of the document is changed via the meta command
         var onMetaChange = function (event) {
             if (event.data.favorite !== undefined) {
@@ -374,6 +378,7 @@
         config.events = {
             'onAppReady': onAppReady,
             'onDocumentStateChange': onDocumentStateChange,
+            'onUserActionRequired': onUserActionRequired,
             'onError': onError,
             'onOutdatedVersion': onOutdatedVersion,
             "onMakeActionLink": onMakeActionLink,