{
  "name": "Truist Transaction",
  "description": "Structure documentation for Truist banking transaction objects.",
  "fields": [
    {
      "name": "transactionId",
      "type": "string",
      "required": true,
      "description": "Unique transaction identifier."
    },
    {
      "name": "accountId",
      "type": "string",
      "required": true,
      "description": "Associated account identifier."
    },
    {
      "name": "transactionDate",
      "type": "date",
      "required": true,
      "description": "Transaction value date (YYYY-MM-DD)."
    },
    {
      "name": "postedDate",
      "type": "date",
      "required": false,
      "description": "Date transaction was posted to account."
    },
    {
      "name": "amount",
      "type": "number",
      "required": true,
      "description": "Transaction amount. Negative for debits, positive for credits."
    },
    {
      "name": "currency",
      "type": "string",
      "required": true,
      "default": "USD",
      "description": "ISO 4217 currency code."
    },
    {
      "name": "status",
      "type": "string",
      "required": true,
      "enum": ["POSTED", "PENDING"],
      "description": "Transaction processing status."
    },
    {
      "name": "transactionType",
      "type": "string",
      "required": true,
      "enum": ["DEBIT", "CREDIT", "FEE", "INTEREST", "TRANSFER", "ACH", "WIRE", "CHECK", "BOOK_TRANSFER"],
      "description": "Payment type or transaction category."
    },
    {
      "name": "description",
      "type": "string",
      "required": false,
      "description": "Transaction narrative description."
    },
    {
      "name": "merchantName",
      "type": "string",
      "required": false,
      "description": "Merchant name for POS transactions."
    },
    {
      "name": "category",
      "type": "string",
      "required": false,
      "description": "Personal finance management category."
    },
    {
      "name": "checkNumber",
      "type": "string",
      "required": false,
      "description": "Check number (check transactions)."
    },
    {
      "name": "achTraceNumber",
      "type": "string",
      "required": false,
      "description": "ACH trace number (ACH transactions)."
    },
    {
      "name": "wireReferenceNumber",
      "type": "string",
      "required": false,
      "description": "Wire transfer federal reference number."
    },
    {
      "name": "runningBalance",
      "type": "number",
      "required": false,
      "description": "Account balance after this transaction."
    }
  ]
}