# Introduction `NOT` is a command introduced with [MSNP5](../versions/msnp5.md). It is a Notification Server command, WITH a response payload. Used to send notifications ("alerts") to the client. # Client/Request This command can not be sent from the client. # Server/Response ``` NOT length payload ``` Where `length` is the size (in bytes) of the `payload`. Where `payload` is a [`` document](../files/notification.md). # Examples ## Basic notification ``` S: NOT 367 This is an example notification. ``` ## Advanced notification *Since [MSNP9](../versions/msnp9.md).* ``` S: NOT 457 This is an example notification. <P>This is an <B>extended</B> notification!</P> ``` ## Blog update notification *Since [MSNP11](../versions/msnp11.md).* ``` S: NOT 1249 <NotificationData xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <SpaceHandle> <ResourceID>example1!101</ResourceID> </SpaceHandle> <ComponentHandle> <ResourceID>example2!101</ResourceID> </ComponentHandle> <OwnerCID>4294967298</OwnerCID> <LastModifiedDate>2024-10-26T09:33:27.1020000-08:00</LastModifiedDate> <HasNewItem>true<HasNewItem> <ComponentSummary> <Component xsi:type="MessageContainer"> <ResourceID>example2!102</ResourceID> </Component> <Items> <Component xsi:type="Message"> <ResourceID>example2!101</ResourceID> </Component> </Items> </ComponentSummary> </NotificationData> ``` ## Contact update notification *Since [MSNP13](../versions/msnp13.md).* ``` S: NOT 685 <NotificationData xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <Service>ABCHInternal</Service> <CID>4294967298</CID> <LastModifiedDate>2024-10-26T09:33:27.1020000-08:00</LastModifiedDate> <HasNewItem>false</HasNewItem> </NotificationData> ``` ## Invalid context *Inherited from being an unimplemented command.* ``` C: NOT 1 0 ``` Server disconnects client. # Known changes * [MSNP11](../versions/msnp11.md): Using an `` sub-document embedded into a `` document is supported. Using the new sub-document, live blog updates are now sent. * [MSNP13](../versions/msnp13.md): Used for [Address Book Service](../services/abservice.md) live updates using the `` sub-document. * [MSNP18](../versions/msnp18.md): Used for live persistant chat group ("circle") updates using the `` sub-document.