Try this
local fields = {
{x = 553, y = 446, z = 7, text = "Exp Room", eff = 21},
{x = 553, y = 446, z = 7, text = "", eff = 18},
{x = 281, y = 254, z = 8, text = "TP Room"}, -- text only
{x = 307, y = 254, z = 15, text = "Event", eff = CONST_ME_GROUNDSHAKER},
}
function...