Tables installed with legacy chat

Legacy chat adds the following tables.
Table Description
Chat Actions

[chat_actions]

Defines additional chat window menu items. Access at Social IT > Chat Administration > Actions (administrator and chat_admin).
Chat Channel

[chat_channel]

Stores chat channels, which are chats between members. This table is extended by Chat thread [chat_thread] (a one-to-one chat) and chat_room (a multi-user chat). Extending or modifying data in this table is not recommended.
Chat Channel Member

[chat_channel_member]

Relationship table that associates channels and members. Extending or modifying data in this table is not recommended.
Chat Message

[chat_message]

Stores instant messages sent from any chat window. Extending or modifying data in this table is not recommended.
Chat Presence

[chat_presence]

Stores presence (status) information for a user. Extending or modifying data in this table is not recommended.
Chat Queue

[chat_queue]

Stores the groups and schedules for providing support via instant message. Defined at Social IT > Chat Administration > Queues (administrator and chat_admin).
Chat Queue Entry

[chat_queue_entry]

Stores user requests for live support. Extends Task [task]. On a chat queue record, the Chat queue entries related list displays the entries that are associated with that chat queue. Extending or modifying data in this table is not recommended.
Chat Room

[chat_room]

Stores chat rooms (multi-user chat). Extends Chat channel [chat_channel]. Can be modified if necessary (such as to change a chat room from public to private), but should almost always be managed by system functionality.
Chat Roster

[chat_roster]

Maintains users that are associated with a user's My Friends list. Extending or modifying data in this table is not recommended.
Chat Roster Member

[chat_roster_member]

Tracks users that are members of a chat room. Extending or modifying data in this table is not recommended.
Chat Thread

[chat_thread]

Stores one-to-one chats. Extends Chat channel [chat_channel]. Extending or modifying data in this table is not recommended.
Live Headline

[live_headline]

Sends system messages. For example, the system may send a message when a user enters or leaves a chat room. Extending or modifying data in this table is not recommended.
Live Poll Message

[sys_live_message]

System table that stores and manages chat messages. Extending or modifying data in this table is not recommended.
Live User

[sys_live_user]

System table that stores and maintains chat users. Extending or modifying data in this table is not recommended.
Stores the last live sequence number

[sys_live_last_sequence]

Stores the last sequence ID. Extending or modifying data in this table is not recommended.