object.category
Type: Object
{
  "accessible": false,
  "color": "#E9B64D",
  "key": 2,
  "label": "Ground Floor",
  "pricing": {"price": 30, "formattedPrice": "30€"},
  "hasSelectableObjects": true,
  "selectableObjectsStatuses": ["free", "resale"]
}
hasSelectableObjects is a boolean, indicating whether or not there are selectable objects for this category on the chart.
selectableObjectsStatuses lists all statuses for any selectable objects within this category.
For instance:
["resale"]means that ALL selectable objects in this category have statusresale["free", "resale"], means that some selectable objects arefree, and some areresale