{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "APIDataElement",
  "type": "object",
  "properties": {
    "refId": {
      "type": "string",
      "description": "Unique identification generated by the transaction originator using UUID logic to unambiguously link a request and response message."
    },
    "timestamp": {
      "type": "string",
      "description": "Timestamp of the request initiation by the originator in the format 'YYYY-MM-DDThh:mm:ss:mmm+hh:mm'. The value of '+hh:mm' portion should always be '-05:00' or '-06:00' reflecting CST time."
    },
    "icaNumber": {
      "type": "string",
      "description": "ICA number of the Issuer or Acquirer initiating the fraud submission request."
    },
    "issuerSCAExemption": {
      "type": "string",
      "description": "Issuer SCA (Strong Customer Authentication) Exemption value. Please refer to [Table 16](https://developer.mastercard.com/fld-fraud-submission/documentation/parameters/annexure-1/#table-16-issuer-sca-strong-customer-authentication-exemption) for possible values."
    }
  }
}