Add SafetyTip field to MessageEvents and PostDeliveryEvents

Introduces the `SafetyTip` field to both the MessageEvents and MessagePostDeliveryEvents advanced hunting tables, documenting its purpose as the safety tip added to a message. Also updates the documentation date to 11/18/2025.

Author: poliveria

defender-xdr/advanced-hunting-messageevents-table.md

@@ -21,7 +21,7 @@ appliesto:
     - Microsoft Defender XDR
     - Microsoft Sentinel in the Microsoft Defender portal
 ms.topic: reference
-ms.date: 08/13/2025
+ms.date: 11/18/2025
 ---
 
 # MessageEvents
@@ -63,6 +63,7 @@ For information on other tables in the advanced hunting schema, [see the advance
 | `DeliveryAction` | `string` |Delivery action of the message: Delivered, Blocked|
 | `DeliveryLocation` | `string` |Location of the message at the time of delivery|
 | `ReportId` | `string` |Unique identifier for the event|
+| `SafetyTip` | `string` |The safety tip that has been added on a message, if any|
 
 
 

defender-xdr/advanced-hunting-messagepostdeliveryevents-table.md

@@ -21,7 +21,7 @@ appliesto:
     - Microsoft Defender XDR
     - Microsoft Sentinel in the Microsoft Defender portal
 ms.topic: reference
-ms.date: 08/13/2025
+ms.date: 11/18/2025
 ---
 
 # MessagePostDeliveryEvents
@@ -53,7 +53,7 @@ For information on other tables in the advanced hunting schema, [see the advance
 | `LatestDeliveryLocation` | `string` |Last known location of the message |
 | `ReportId` | `string` |Unique identifier for the event|
 | `IsExternalThread` | `boolean` |Indicates if there are external recipients in the thread (1) or none (0)|
-
+| `SafetyTip` | `string` |The safety tip that has been added on a message, if any|
 
 
 ## Related topics