$startPrivateThread[name;channel?]
Starts a private thread that only added members and moderators can see, and returns its ID.
Values
name- The name of the thread, up to 100 characters.
channel- Optional. The channel for the thread, this channel if empty.
Example
$addThreadMember[$userID;$startPrivateThread[Ticket for $username]]
Opens a private ticket thread and adds the user