"pos" : [-0.5, 0.34375, 0.9375],
            "types" : ["seat"],
            "dismountPos" : [-1.5, 0.34375, 0.9375],
            "additionalParts" : [
                {
                    "pos" : [-1.5, 0.34375, 1],//+Z 0.0625
                    "rot" : [0, 90, 0],
                    "types" : ["interactable_crate"],
                    "customTypes" : ["luggage"],
                    "minValue" : 0.0,
                    "maxValue" : 2.0,
                    "linkedDoor": "door_DoorR"
                }
            ],
            "linkedDoor": "door_DoorR"
        }```

Ideally, the subparts would have their own linkedDoor rather than inheriting the parent. It would lead to more possibilities.