sudo apt install wmctrl
And create a script (in this example thunderbird on the second workspace (
(thunderbird &) & sleep 5 &&
sh -c "wmctrl -i -r `wmctrl -l | grep Thunderbird` -t 1"
To know your application name on wmctrl you can view it by taping on your terminal :
And replace it with the correct name in the script.
Be carrefull with the capital letter ("Thunderbird" not "thunderbird") !!
Other example with firefox on the 3d workspace (
(firefox &) & sleep 5 &&
sh -c "wmctrl -i -r `wmctrl -l | grep Firefox` -t 2"
Work on Debain 10 with Cinnamon. But should work for all