From Stony Brook University Libraries : Collaboratory

How to Start A New or Edit an existing Discussion 

Click here for a PDF version of the instructions

1.  Log in to the Wiki.

2.  Click on the discussion tab in the section you want to start a new discussion in.

 

3.  If this is the1st discussion started for a topic, you will see a Create tab next to discussion.  

 

 To edit the text of an existing discussion, click on the Edit tab next to discussion.

4.  Click on Rich Editor  to begin typing your discussion.

5.  End your comments with 4 tildes ~.  (The tilde is typed by holding down the shift key and typing the key to the left of 1.)
By placing the tildes you are signing your name and date to the comments.

6.  Click on Save Page