[
  {
    "context": "billing",
    "nameSpace": "XM",
    "type": "InvoiceLine",
    "table": "xt.invciteminfo",
    "isExtension": true,
    "comment": "Extended by Billing",
    "relations": [
      {
        "column": "invcitem_id",
        "inverse": "id"
      }
    ],
    "properties": [
      {
        "name": "salesCategory",
        "toOne": {
          "type": "SalesCategory",
          "column": "invcitem_salescat_id"
        }
      }
    ],
    "sequence": 0,
    "isSystem": true
  }
]