{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MessageCategory",
  "title": "MessageCategory",
  "type": "string",
  "enum": [
    "Abort",
    "Admin",
    "BalanceInquiry",
    "CardAcquisition",
    "CardReaderAPDU",
    "Diagnosis",
    "Display",
    "EnableService",
    "Event",
    "GetTotals",
    "Input",
    "InputUpdate",
    "Login",
    "Logout",
    "Loyalty",
    "Payment",
    "Print",
    "Reconciliation",
    "Reversal",
    "StoredValue",
    "TransactionStatus"
  ]
}