{
  "name": "US Bank Account Transaction",
  "description": "Structure documentation for U.S. Bank account transactions from the Corporate Account Information API",
  "fields": [
    {
      "name": "transactionId",
      "type": "string",
      "required": true,
      "description": "Unique transaction identifier"
    },
    {
      "name": "accountNumber",
      "type": "string",
      "required": true,
      "description": "Account number"
    },
    {
      "name": "amount",
      "type": "number (double)",
      "required": true,
      "description": "Amount (positive=credit, negative=debit)"
    },
    {
      "name": "currency",
      "type": "string",
      "required": false,
      "description": "ISO 4217 currency code",
      "default": "USD"
    },
    {
      "name": "transactionDate",
      "type": "string (date)",
      "required": true,
      "description": "Processing date"
    },
    {
      "name": "valueDate",
      "type": "string (date, nullable)",
      "required": false,
      "description": "Value date for funds availability"
    },
    {
      "name": "description",
      "type": "string (nullable)",
      "required": false,
      "description": "Transaction description or memo"
    },
    {
      "name": "transactionType",
      "type": "string (nullable)",
      "required": false,
      "description": "Type code (WIRE, ACH, CHECK, RTP)"
    },
    {
      "name": "referenceNumber",
      "type": "string (nullable)",
      "required": false,
      "description": "Client reference number"
    },
    {
      "name": "bankReference",
      "type": "string (nullable)",
      "required": false,
      "description": "U.S. Bank internal reference"
    }
  ]
}