Select the Chat Room tool from the Tool Menu of your site.
Click Options.
Click Add Room.
Enter the room details.
A title is required for the new room.
You may enter a description of the room if desired. (Optional)
Select the number of messages you would like to be displayed in the message history.
Check the box next to Allow chat participants to change the chat display settings for their own chat window if you would like to allow this ability. (Optional)
You may set a start and end date for the chat room. Leaving the dates blank means that the room is always open. (Optional)
Click the Update Options button to save your details and add the room.