Rule

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-fraud-detector/refs/heads/main/json-schema/amazon-fraud-detector-rule-schema.json",
  "title": "Rule",
  "description": "A Fraud Detector rule that maps model scores and event variables to outcomes.",
  "type": "object",
  "properties": {
    "ruleId": {
      "type": "string",
      "description": "Unique rule identifier."
    },
    "detectorId": {
      "type": "string",
      "description": "Detector this rule belongs to."
    },
    "ruleVersion": {
      "type": "string",
      "description": "Version of the rule."
    },
    "description": {
      "type": "string"
    },
    "language": {
      "type": "string",
      "enum": [
        "DETECTORPL"
      ],
      "description": "Rule expression language."
    },
    "expression": {
      "type": "string",
      "description": "Rule expression evaluated against event variables and model scores."
    },
    "outcomes": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Outcomes triggered when the rule matches."
    },
    "arn": {
      "type": "string"
    }
  },
  "required": [
    "ruleId",
    "detectorId",
    "expression",
    "language",
    "outcomes"
  ]
}