Eso es porque es una funcion client side, y el script tuyo es server side.
Tenes que usar:
triggerClientEvent
-- server side:
function Bot ( )
local random = math.random ( #randomSpawnTable )
local x, y, z = unpack ( randomSpawnTable [ random ] )
slothbot = exports [ "slothbot" ]:spawnBot ( x, y, z, 90, 33, 0, 0, BOSS, 38, hunting, true )
exports.extra_health:setElementExtraHealth ( slothbot, 50000 )
outputChatBox ( "#ff0000Nemesis: #eeff00S.T.A.R.S!!!", getRootElement(), 255, 255, 255, true )
triggerClientEvent ( "playTheSound", root )
end
addEventHandler ( "onResourceStart", resourceRoot, Bot )
setTimer ( Bot, 1800000, 0 )
-- client side:
addEvent ( "playTheSound", true )
addEventHandler ( "playTheSound", root,
function ( )
playSound ( "nemesis.mp3" )
end
)