# Table of contents:

# Introduction

NLN is a command introduced with MSNP2.

It is a Notification Server command, without a response payload.

Specifies that a user has now came online. For the version sent with a Transaction ID as a response to some commands, read ILN.

# Client/Request

This command can not be sent from the client.

# Server/Response

NLN status user-handle {network-id} friendly-name {client-capabilities{:extended-client-capabilities}} {msnobj} {presence-icon-url}

Where status is any of the defined statuses:

Where user-handle is the relevant user's handle.

Where network-id is the Network Identification Number. Added since MSNP14.

Where friendly-name is the relevant user's friendly name.

Where client-capabilities are the relevant user's Client Capabilities. Optional? Added since MSNP8.

Where extended-client-capabilities are the relevant user's Extended Client Capabilities. Optional. Added since MSNP16.

Where msnobj is the MSNObject the relevant user has set. Optional. Added since MSNP9.

Where presence-icon-url is an image that is rendered to this client that replaces the default user icon. Optional. Added since MSNP14.

# Examples

# Wihout anything special 

S: NLN NLN anotheruser@example.com another%20user

# With Client Capabilities

Since MSNP8. 

S: NLN NLN anotheruser@example.com another%20user 0

# With a MSNObject

Since MSNP9.

NOTE: This has been line-breaked. Lines beginning with .. followed by a space are continuations of the previous line. 

S: NLN NLN anotheruser@hotmail.com another%20user 268435500 %3Cmsnobj%20Creator%3D%22anotherdude%40hotmail.com%22
.. %20Size%3D%2225235%22%20Type%3D%223%22
.. %20Location%3D%22uexA4DE.dat%22%20Friendly%3D%22AAA%3D%22
.. %20SHA1D%3D%22vP1ppB+xiFQ8ceZivRe0uCaYLIU%3D%22
.. %20SHA1C%3D%22PApbbjkbDSGrt3ybGHRKNaZ8s%2Fw%3D%22%2F%3E

# With Network IDs and Presence Icon URLs

Since MSNP14.

NOTE: This has been line-breaked. Lines beginning with .. followed by a space are continuations of the previous line. 

S: NLN NLN anotheruser@hotmail.com 1 another%20user 1611513916 %3Cmsnobj%20Creator%3D%22anotherdude%40hotmail.com%22
.. %20Size%3D%2225235%22%20Type%3D%223%22
.. %20Location%3D%22uexA4DE.dat%22%20Friendly%3D%22AAA%3D%22
.. %20SHA1D%3D%22vP1ppB+xiFQ8ceZivRe0uCaYLIU%3D%22
.. %20SHA1C%3D%22PApbbjkbDSGrt3ybGHRKNaZ8s%2Fw%3D%22%2F%3E
..  http://example.com/interop/online.png

# With Extended Client Capabilities

Since MSNP16.

NOTE: This has been line-breaked. Lines beginning with .. followed by a space are continuations of the previous line. 

S: NLN NLN anotheruser@hotmail.com 1 another%20user 2789003324:48 %3Cmsnobj%20Creator%3D%22anotherdude%40hotmail.com%22
.. %20Size%3D%2225235%22%20Type%3D%223%22
.. %20Location%3D%22uexA4DE.dat%22%20Friendly%3D%22AAA%3D%22
.. %20SHA1D%3D%22vP1ppB+xiFQ8ceZivRe0uCaYLIU%3D%22
.. %20SHA1C%3D%22PApbbjkbDSGrt3ybGHRKNaZ8s%2Fw%3D%22%2F%3E
..  http://example.com/interop/online.png

# Invalid context

Inherited from being an unimplemented command. 

C: NLN FLN example@hotmail.com example%20user

Server disconnects client.

# Known changes