Bill type

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/BillType",
  "title": "Bill type",
  "enum": [
    "Receipt",
    "Invoice"
  ],
  "type": "string",
  "description": "After a bill is closed, the Bill Type is set to `Receipt` or `Invoice`. `Receipt` indicates that the bill has been fully paid and the balance is zero. `Invoice` indicates that the bill has not yet been fully paid but an invoice has been issued. Prior to closing, Bill Type should not be used.",
  "x-enumDescriptions": [
    "Default; the bill has been paid in full; only applicable after the bill is closed.",
    "Bill has not been paid in full but an invoice has been issued to request payment."
  ]
}