idozito with os.time()

tfm.exec.bindKeyboard("Aaa_bbb_ccc_ddd#2783",32,true,true)
local jumpcd = os.time()

eventKeyboard = function(playerName,keyCode,downx,y)

    if keyCode == 32 and jumpcd+3000 < os.time() then

        tfm.exec.movePlayer(playerName,15,20,true,0,-100,false)
        jumpcd = os.time()

    end

end