diff --git a/src/Messaging/Events/ExternalAppRequestEvent.cs b/src/Messaging/Events/ExternalAppRequestEvent.cs
index 8768c9e..b3982eb 100755
--- a/src/Messaging/Events/ExternalAppRequestEvent.cs
+++ b/src/Messaging/Events/ExternalAppRequestEvent.cs
@@ -117,6 +117,10 @@ public class ExternalAppRequestEvent
         /// </summary>
         public List<DataOrigin> Targets { get; set; } = new List<DataOrigin>();
 
+        [JsonProperty(PropertyName = "destination_folder")]
+        [JsonPropertyName("destination_folder")]
+        public string? DestinationFolder { get; set; }
+
         [Newtonsoft.Json.JsonConstructor]
         [System.Text.Json.Serialization.JsonConstructor]
         public ExternalAppRequestEvent()