{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.montran.com/schemas/screening-result.json",
  "title": "Montran Screening Result",
  "description": "The result of a sanctions screening operation performed by Montran's Enhanced Filtering System (EFS). Contains match information from screening against compliance lists such as OFAC, EU, OFSI, Lloyds MIU, and UN sanctions lists.",
  "type": "object",
  "required": [
    "screeningId",
    "result",
    "screenedAt"
  ],
  "properties": {
    "screeningId": {
      "type": "string",
      "description": "Unique screening operation identifier"
    },
    "result": {
      "type": "string",
      "description": "Overall screening result",
      "enum": [
        "PASS",
        "HIT",
        "POSSIBLE_HIT"
      ]
    },
    "screeningType": {
      "type": "string",
      "description": "Type of screening performed",
      "enum": [
        "transaction",
        "entity",
        "batch"
      ]
    },
    "channelId": {
      "type": "string",
      "description": "Screening channel used"
    },
    "matchCount": {
      "type": "integer",
      "description": "Number of matches found",
      "minimum": 0
    },
    "matches": {
      "type": "array",
      "description": "Individual match details",
      "items": {
        "$ref": "#/$defs/ScreeningMatch"
      }
    },
    "transactionReference": {
      "type": "string",
      "description": "Reference to the screened transaction"
    },
    "messageFormat": {
      "type": "string",
      "description": "Format of the screened message",
      "enum": [
        "ISO20022",
        "SWIFT_FIN",
        "ISO8583",
        "NACHA",
        "PROPRIETARY"
      ]
    },
    "screenedAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when screening was performed"
    },
    "latencyMs": {
      "type": "integer",
      "description": "Screening processing time in milliseconds",
      "minimum": 0
    }
  },
  "$defs": {
    "ScreeningMatch": {
      "type": "object",
      "description": "Individual match against a sanctions or compliance list entry",
      "properties": {
        "matchId": {
          "type": "string",
          "description": "Unique match identifier"
        },
        "matchedField": {
          "type": "string",
          "description": "Transaction field that triggered the match",
          "enum": [
            "debtorName",
            "creditorName",
            "debtorAddress",
            "creditorAddress",
            "debtorCountry",
            "creditorCountry",
            "remittanceInformation"
          ]
        },
        "matchedValue": {
          "type": "string",
          "description": "Value from the transaction that matched"
        },
        "listSource": {
          "type": "string",
          "description": "Source of the compliance list",
          "enum": [
            "OFAC",
            "EU",
            "OFSI",
            "UN",
            "LLOYDS_MIU",
            "CUSTOM"
          ]
        },
        "listName": {
          "type": "string",
          "description": "Name of the compliance list"
        },
        "listEntryId": {
          "type": "string",
          "description": "Entry identifier in the compliance list"
        },
        "listedName": {
          "type": "string",
          "description": "Name as it appears on the sanctions list"
        },
        "matchScore": {
          "type": "number",
          "description": "Match confidence score (0-100)",
          "minimum": 0,
          "maximum": 100
        },
        "matchType": {
          "type": "string",
          "description": "Type of matching algorithm that produced the match",
          "enum": [
            "EXACT",
            "FUZZY",
            "PHONETIC",
            "PARTIAL"
          ]
        },
        "severity": {
          "type": "string",
          "description": "Match severity level",
          "enum": [
            "high",
            "medium",
            "low"
          ]
        }
      }
    }
  }
}