diff --git a/src/main/java/org/gridsuite/study/notification/server/NotificationWebSocketHandler.java b/src/main/java/org/gridsuite/study/notification/server/NotificationWebSocketHandler.java
index 88190ed..5c9f7cf 100644
--- a/src/main/java/org/gridsuite/study/notification/server/NotificationWebSocketHandler.java
+++ b/src/main/java/org/gridsuite/study/notification/server/NotificationWebSocketHandler.java
@@ -76,6 +76,8 @@ public class NotificationWebSocketHandler implements WebSocketHandler {
     static final String HEADER_INSERT_MODE = "insertMode";
     static final String HEADER_REFERENCE_NODE_UUID = "referenceNodeUuid";
     static final String HEADER_INDEXATION_STATUS = "indexation_status";
+    static final String HEADER_COMPUTATION_TYPE = "computationType";
+
     static final String USERS_METER_NAME = "app.users";
     static final String USER_TAG = "user";
 
@@ -147,6 +149,7 @@ private static Map<String, Object> toResultHeader(Map<String, Object> messageHea
         passHeader(messageHeader, resHeader, HEADER_USER_ID); // to filter the display of error messages in the front end
         passHeader(messageHeader, resHeader, HEADER_REFERENCE_NODE_UUID);
         passHeader(messageHeader, resHeader, HEADER_INDEXATION_STATUS);
+        passHeader(messageHeader, resHeader, HEADER_COMPUTATION_TYPE);
 
         return resHeader;
     }