You need to precache them in maps/mp/gametypes/_quickmessages.gsc
Then you need to handle the input from them at the bottom of maps/mp/gametypes/_menus.gsc and send that along to the...
You need to precache them in maps/mp/gametypes/_quickmessages.gsc
Then you need to handle the input from them at the bottom of maps/mp/gametypes/_menus.gsc and send that along to the...
The client need to download the sounds also to work.