To play a particular role within a given Unit of Learning, you need to select
one of the users in the Course Manager tree (denoted by ).
Once highlighted, the play button should become enabled (denoted
by
). Click the play
button to launch this role in the browser. (If you double click the role node
itself it will also launch the role)
You should now see a web browser window open in the opposite pane - similar
the following screenshot..