# Table of contents:

• Introduction
• Client/Request
• Server/Response
• Examples
  • As a response to MSG N
  • Invalid context
• Known changes

# Introduction

NAK is a command introduced with MSNP2.

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

Used as a negative response to MSG N.

# Client/Request

This command can not be sent from the client.

# Server/Response

NAK TrID

# Examples

# As a response to MSG N

C: MSG 1 N 68
MIME-Version: 1.0
Content-Type: text/plain;charset=UTF-8

message
S: NAK 1

# Invalid context

Inherited from being an unimplemented command.

C: NAK 2

Server disconnects client.

# Known changes

None.