{ config, lib, ... }: { options.displays = lib.mkOption { type = lib.types.attrs; }; config.displays = { tower1 = "Microstep MSI G24C 0000000000001"; tower2 = "BNQ BenQ GW2270 6CH00781019"; tower3 = "Eizo Nanao Corporation CG223W 23252050"; tower4 = "Samsung Electric Company SAMSUNG Unknown"; }; }