modular_skyrat/modules/aesthetics/keyed_doors/code/keyed_door.dm 
| /obj/item/key_card | Keycard that's meant to be able to open a /obj/machinery/door/airlock/keyed. Without it, the door will not open. |
|---|---|
| /obj/machinery/door/airlock/keyed | The doors and Keys need to match when being built, demo variants are found below along with the requirements for use. Make sure the access_id matches the door or it won't work. |