# Table of contents:

# Introduction

LST is a command introduced with MSNP2.

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

It retrieves all users in any of the available lists.

# Client/Request

LST TrID [ FL | AL | BL | RL ]

NOTE: There is a possibility that PL can be retrieved this way too.

# Server/Response

# Outside of SYN

LST TrID [ FL | AL | BL | RL ] list-version index size-of-list user-handle stored-friendly-name {groups}

Where list-version is the current List Version.

Where index is a number that can not go out of size-of-list. If the list is empty this is 0.

Where size-of-list is the upper bounds for index. If the list is empty this is 0.

Where user-handle is the related user's handle. If the list is empty this parameter is not in the response.

Where stored-friendly-name is the friendly name stored for this contact on the server. If the list is empty this parameter is not in the response.

Where groups is a comma-delimited list of Group IDs this contact is in, only appended if the list (parameter 1) is set to FL. Defaults to 0. Added since MSNP7.

# In SYN

# First generation parameters

Applies for MSNP2 to MSNP6.

Same as the response Outside of SYN.

# Groups support

Applies for MSNP7.

LST TrID [ FL | AL | BL | RL ] list-version index size-of-list user-handle stored-friendly-name {groups}

Where groups is a comma-delimited list of Group IDs this contact is in, only appended if the list (parameter 1) is set to FL. Defaults to 0.

# Second generation parameters

Applies for MSNP8 and MSNP9

LST user-handle stored-friendly-name list-bits {groups}

Where list-bits are in the format:

Where groups is a comma-delimited list of Group IDs this contact is in, only appended if Forward List (FL) is set in list-bits. Defaults to 0.

# Third generation parameters

Applies for MSNP10 with ABCHMigrated: 0.

LST N=user-handle F=stored-friendly-name list-bits {groups}

Same parameters as the second generation.

# Fourth generation parameters

Applies for MSNP10 and MSNP11 with ABCHMigrated: 1.

LST N=user-handle F=stored-friendly-name C=contact-guid list-bits {groupGuids}

Where contact-guid is the GUID/UUID of the contact.

Where groupGuids is a comma-delimited list of Group GUIDs this contact is in, only appending if Forward List (FL) is set in list-bits, defaults to whatever "Other Contacts"'s GUID is.

# Fifth generation parameters

Applies for MSNP12.

LST N=user-handle F=stored-friendly-name C=contact-guid list-bits network-id {groupGuids}

Where network-id is any Network ID bits:

# Examples

# Client-initiated 

C: LST 1 FL
S: LST 1 FL 255 1 1 anotheruser@example.com another%20user
C: LST 2 BL
S: LST 2 BL 255 0 0

# From SYN

# From the beginning

Only in MSNP2 to MSNP6. 

C: SYN 3 0
S: SYN 3 4

... 

S: LST 3 FL 4 1 1 anotheruser@hotmail.com another%20user
S: LST 3 AL 4 1 1 anotheruser@hotmail.com another%20user
S: LST 3 BL 4 0 0
S: LST 3 RL 4 1 1 anotheruser@hotmail.com another%20user

# Using groups

Only in MSNP7. 

C: SYN 4 0
S: SYN 4 5

... 

S: LSG 4 5 1 1 0 Other%20Contacts 0
S: LST 4 FL 5 1 1 anotheruser@hotmail.com another%20user 0
S: LST 4 AL 5 1 1 anotheruser@hotmail.com another%20user
S: LST 4 BL 5 0 0
S: LST 4 RL 5 1 1 anotheruser@hotmail.com another%20user

# Using second generation parameters

Only in MSNP8 and MSNP9. 

C: SYN 5 0
S: SYN 5 6 1 1

... 

S: LSG 0 Other%20Contacts 0
S: LST anotheruser@hotmail.com another%20user 11 0

# Using third generation parameters

Only in MSNP10 with ABCHMigrated: 0. 

C: SYN 6 0 0
S: SYN 6 7 0 1 1

... 

S: LSG Other%20Contacts 0
S: LST N=anotheruser@hotmail.com F=another%20user C=anotheruser@hotmail.com 11 0

# Using fourth generation parameters

Only in MSNP10 and MSNP11 with ABCHMigrated: 1. 

C: SYN 7 0 0
S: SYN 7 2024-10-15T14:49:40.1100000-07:00 2024-10-15T14:49:40.1100000-07:00 1 1

... 

S: LSG Other%20Contacts d6deeacd-7849-4de4-93c5-d130915d0042
S: LST N=anotheruser@hotmail.com F=another%20user C=c1f9a363-4ee9-4a33-a434-b056a4c55b98 11 d6deeacd-7849-4de4-93c5-d130915d0042

# Using fifth generation parameters

Only in MSNP12. 

C: SYN 8 0 0
S: SYN 8 2024-10-15T15:01:30.1200000-07:00 2024-10-15T15:01:30.1200000-07:00 1 1

... 

S: LSG Other%20Contacts d6deeacd-7849-4de4-93c5-d130915d0042
S: LST N=anotheruser@hotmail.com F=another%20user C=c1f9a363-4ee9-4a33-a434-b056a4c55b98 11 1 d6deeacd-7849-4de4-93c5-d130915d0042

# Known changes