diff --git a/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/messaging/BaseResourceMessage.java b/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/messaging/BaseResourceMessage.java
index f1ce661c719..dd7f266afb2 100644
--- a/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/messaging/BaseResourceMessage.java
+++ b/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/messaging/BaseResourceMessage.java
@@ -160,6 +160,7 @@ public abstract class BaseResourceMessage implements IResourceMessage, IModelJso
 		CREATE,
 		UPDATE,
 		DELETE,
-		MANUALLY_TRIGGERED
+		MANUALLY_TRIGGERED,
+		TRANSACTION
 	}
 }