In general "Scenario" is majorly broken. It doesnt even work as well as it did in Dom2. I cant really recommend that anyone use the command at this time.
But if you want a quicky list of map commands check out this one...
http://www.dom3minions.com/docs/map_qref.txt
Also check out the command line switches which you can be used in combination with map commands to almost achieve the things that scenario was supposed to do.
http://www.dom3minions.com/docs/CommandLine.txt
Gandalf Parker
--
Experts do not enhance conversation.
You can have conversation, or you can have experts.
Possibly conversation among experts if thats desirable.
Your choice.