diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/GenericTemplateMessage.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/GenericTemplateMessage.cs
index c86bca59..6578b363 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/GenericTemplateMessage.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/GenericTemplateMessage.cs
@@ -19,6 +19,9 @@ public class GenericTemplateMessage<T> : IRichMessage, ITemplateMessage
     [JsonPropertyName("is_horizontal")]
     public bool IsHorizontal { get; set; }
 
+    [JsonPropertyName("is_popup")]
+    public bool IsPopup { get; set; }
+
     [JsonPropertyName("element_type")]
     public string ElementType => typeof(T).Name;
 }