diff --git a/src/Messaging/Events/WorkflowRequestEvent.cs b/src/Messaging/Events/WorkflowRequestEvent.cs
index 27feb7b..92402df 100755
--- a/src/Messaging/Events/WorkflowRequestEvent.cs
+++ b/src/Messaging/Events/WorkflowRequestEvent.cs
@@ -54,6 +54,10 @@ public class DataOrigin
         [JsonPropertyName("destination")]
         public string Destination { get; set; } = default!;
 
+        [JsonProperty(PropertyName = "fromExternalApp")]
+        [JsonPropertyName("fromExternalApp")]
+        public bool FromExternalApp { get; set; } = false;
+
         public override int GetHashCode()
         {
             return HashCode.Combine(Source, Destination, DataService);