[Outlook] (mobile) Clarify support for the Notification API in Outlook on mobile devices (#5115)

* Clarify support for the Notification API in Outlook on mobile

* Update ms.date

Author: samantharamon

docs/outlook/mobile-event-based.md

@@ -1,7 +1,7 @@
 ---
 title: Implement event-based activation in Outlook mobile add-ins
 description: Learn how to develop an Outlook mobile add-in that implements event-based activation.
-ms.date: 03/11/2025
+ms.date: 04/22/2025
 ms.topic: how-to
 ms.localizationpriority: medium
 ---
@@ -260,7 +260,6 @@ To enable your add-in to complete tasks when the `OnNewMessageCompose` event occ
                     }
 
                     // Show a notification when the signature is added to the message.
-                    // Important: Only the InformationalMessage type is supported in Outlook mobile at this time.
                     const notification = {
                         type: Office.MailboxEnums.ItemNotificationMessageType.InformationalMessage,
                         message: "Company signature added.",

docs/outlook/outlook-mobile-apis.md

@@ -1,7 +1,7 @@
 ---
 title: Outlook JavaScript APIs supported in Outlook on mobile devices
 description: Learn which Outlook JavaScript APIs are supported in Outlook on mobile devices.
-ms.date: 03/14/2025
+ms.date: 04/22/2025
 ms.localizationpriority: medium
 ---
 
@@ -51,6 +51,7 @@ Although Outlook mobile supports up to requirement set 1.5, there are some APIs
 |[Office.context.mailbox.item.displayReplyForm](/javascript/api/requirement-sets/outlook/preview-requirement-set/office.context.mailbox.item#methods)|Mailbox 1.1|<ul><li>Message Read</li><li>Appointment Attendee</li></ul>|
 |[Office.context.mailbox.item.getRegexMatches](/javascript/api/requirement-sets/outlook/preview-requirement-set/office.context.mailbox.item#methods)|Mailbox 1.1|<ul><li>Message Read</li><li>Appointment Attendee</li></ul>|
 |[Office.context.mailbox.item.getRegexMatchesByName](/javascript/api/requirement-sets/outlook/preview-requirement-set/office.context.mailbox.item#methods)|Mailbox 1.1|<ul><li>Message Read</li><li>Appointment Attendee</li></ul>|
+|[Office.context.mailbox.item.notificationMessages](/javascript/api/requirement-sets/outlook/preview-requirement-set/office.context.mailbox.item#methods)|Mailbox 1.3|<ul><li>Appointment Attendee</li><li>Appointment Organizer</li></ul>|
 |[Office.context.mailbox.item.bcc.addAsync](/javascript/api/outlook/office.recipients#outlook-office-recipients-addasync-member(1))<br><br>[Office.context.mailbox.item.cc.addAsync](/javascript/api/outlook/office.recipients#outlook-office-recipients-addasync-member(1))<br><br>[Office.context.mailbox.item.to.addAsync](/javascript/api/outlook/office.recipients#outlook-office-recipients-addasync-member(1))|Mailbox 1.1|<ul><li>Message Compose</li></ul>|
 |[Office.context.mailbox.item.bcc.setAsync](/javascript/api/outlook/office.recipients#outlook-office-recipients-setasync-member(1))<br><br>[Office.context.mailbox.item.cc.setAsync](/javascript/api/outlook/office.recipients#outlook-office-recipients-setasync-member(1))<br><br>[Office.context.mailbox.item.to.setAsync](/javascript/api/outlook/office.recipients#outlook-office-recipients-setasync-member(1))|Mailbox 1.1|<ul><li>Message Compose</li></ul>|
 |[Office.context.mailbox.item.body.getTypeAsync](/javascript/api/outlook/office.body#outlook-office-body-gettypeasync-member(1))|Mailbox 1.1|<ul><li>Message Compose</li></ul>|