msnp-wiki/docs/commands/sdc.md

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# Introduction
`SDC` is a command introduced with [MSNP5](../versions/msnp5.md).
It is a Notification Server command, with a request payload, but without a response payload.
Sends a service invitation to an e-mail address or directory user.
For the version of this command that does not support friendly names, read [SND](snd.md).
# Client/Request
```
SDC TrID target-address translation-lcid requesting-library client-identification X X my-friendly-name length
{payload}
````
Where `target-address` is the E-mail address or index from the last [FND](fnd.md) response you'd like to invite to the service.
Where `translation-lcid` is the LCID of the translation you'd like the invitation to be in.
Where `requesting-library` is the name of the library that requested this CVR, usually `MSMSGS` or `MSNMSGR`.
Where `client-identification` is the internal name of the codebase used to create `requesting-library`, usually `MSMSGS`.
Where both `X` parameters are always `X`.
Where `my-friendly-name` is your current friendly name.
Invalid escaped characters are forcefully re-encoded to`%3DXX`,
where `XX` is original escaped character code
Where `length` is the length of the payload.
Set to `0` if you don't want to add anything else to your invitation.
Where `payload` is plain-text data that is included in the invitation.
If this is `0`, this parameter is empty.
# Server/Response
`SDC TrID OK`
Where `OK` is always `OK`.
# Examples
## Normal use without extra data
```
C: SDC 1 anotheruser@hotmail.com 0x0409 MSMSGS MSMSGS X X example%20name 0
S: SDC 1 OK
```
## Normal use with extra data
```
C: SDC 2 anotheruser@hotmail.com 0x0409 MSMSGS MSMSGS X X example%20name 37
This will be added to the invitation.
S: SDC 2 OK
```
## From a directory search without extra data
```
C: FND 3 fname=Another lname=User city=* state=* country=US
S: FND 3 1 2 fname=Another lname=User city=New%20York state=NY country=US
FND 3 2 2 fname=Another lname=User city=Stillwater state=OK country=US
C: SDC 4 1 0x0409 MSMSGS MSMSGS X X example%20name 0
S: SDC 4 OK
```
## From a directory search with extra data
```
C: FND 5 fname=Another lname=User city=* state=* country=US
S: FND 5 1 2 fname=Another lname=User city=New%20York state=NY country=US
FND 5 2 2 fname=Another lname=User city=Stillwater state=OK country=US
C: SDC 6 1 0x0409 MSMSGS MSMSGS X X example%20name 54
Hello! I met you the other day and would like to chat.
S: SDC 6 OK
```
## Invalid parameters
```
C: SDC 7 anotheruser@hotmail.com 10
S: 503 7
```
Server disconnects client.
# Known changes
None.