This is the entire description.ext from one of the official SP-missions:
respawn = 4;
respawnDelay = 5;
doneKeys[]={"BIS_SP05"};
/*
class CfgSounds
{
//counterattack
class incomming01
{
name = "incomming01";
sound[] = {"counterattack\incomming01.ogg", db+20, 1.0, 160};
titles[]={};
};
class incomming02
{
name = "incomming02";
sound[] = {"counterattack\incomming02.ogg", db+20, 1.0, 160};
titles[]={};
};
class incomming03
{
name = "incomming03";
sound[] = {"counterattack\incomming03.ogg", db+20, 1.0, 160};
titles[]={};
};
class incomming04
{
name = "incomming04";
sound[] = {"counterattack\incomming04.ogg", db+20, 1.0, 160};
titles[]={};
};
};
*/