For example, I have a file called $HOME/.devilspie/games.ds
that opens all games on workspace #4:
(begin
(if (is (application_name) "gnobots2") (begin (set_workspace 4)) )
(if (is (application_name) "iagno") (begin (set_workspace 4)) )
(if (is (application_name) "same-gnome") (begin (set_workspace 4)) )
)
Similarly, I have an xawtv.ds configuration file that says:
(if (is (application_name) "xawtv") (above) )