New tab in Workroom?

How do I add my own tab in a Wookroom? I haven't been able to fins any documentation on this.
Dec 19, 2007 9:55
It's a 4.51 version.
Dec 19, 2007 9:56
* You are NOT allowed to include any hyperlinks in the post because your account hasn't associated to your company. User profile should be updated.