zen/test-data/graphs/realtime-fraud-detection.json

{
  "tests": [
    {
      "input": {
        "transaction": {
          "id": "tx-28473",
          "amount": 1250,
          "location": "Germany",
          "time": "23:45",
          "recentCount": 4,
          "merchantCategory": "Electronics",
          "date": "2023-03-18"
        },
        "userProfile": {
          "id": "user-5932",
          "homeCountry": "USA",
          "frequentCountries": [
            "Canada",
            "UK"
          ],
          "averageTransactionAmount": 350,
          "maxTransactionAmount": 800,
          "usualMerchantCategories": [
            "Groceries",
            "Dining",
            "Retail"
          ],
          "usualTransactionTimeRange": [
            "08:00",
            "21:00"
          ]
        }
      },
      "output": {
        "blockTransaction": false,
        "finalRiskScore": 75,
        "reason": "Unusual location with amount significantly above average",
        "requiresReview": true
      }
    }
  ],
  "nodes": [
    {
      "type": "inputNode",
      "content": {
        "schema": ""
      },
      "id": "input",
      "name": "request",
      "position": {
        "x": 110,
        "y": 114
      }
    },
    {
      "type": "decisionTableNode",
      "content": {
        "hitPolicy": "first",
        "rules": [
          {
            "_id": "rule1",
            "locationInput": "!= userProfile.homeCountry and != userProfile.frequentCountries",
            "amountInput": "> userProfile.averageTransactionAmount * 3",
            "timeInput": "",
            "frequencyInput": "",
            "outputRisk": "75",
            "outputFlag": "'high'",
            "outputReason": "'Unusual location with amount significantly above average'"
          },
          {
            "_id": "rule2",
            "locationInput": "!= userProfile.homeCountry",
            "amountInput": "> userProfile.averageTransactionAmount * 2",
            "timeInput": "time($) > time('22:00') and time($) < time('06:00')",
            "frequencyInput": "",
            "outputRisk": "65",
            "outputFlag": "'high'",
            "outputReason": "'Foreign transaction at night with high value'"
          },
          {
            "_id": "rule3",
            "locationInput": "",
            "amountInput": "> userProfile.averageTransactionAmount * 4",
            "timeInput": "",
            "frequencyInput": "> 3",
            "outputRisk": "80",
            "outputFlag": "'high'",
            "outputReason": "'Multiple high-value transactions in short timeframe'"
          },
          {
            "_id": "rule4",
            "locationInput": "!= userProfile.homeCountry",
            "amountInput": "",
            "timeInput": "",
            "frequencyInput": "> 5",
            "outputRisk": "70",
            "outputFlag": "'high'",
            "outputReason": "'Multiple foreign transactions in short timeframe'"
          },
          {
            "_id": "rule5",
            "locationInput": "",
            "amountInput": "> userProfile.averageTransactionAmount * 2",
            "timeInput": "time($) > time('22:00') and time($) < time('06:00')",
            "frequencyInput": "",
            "outputRisk": "50",
            "outputFlag": "'medium'",
            "outputReason": "'Night transaction with amount above average'"
          },
          {
            "_id": "rule6",
            "locationInput": "",
            "amountInput": "",
            "timeInput": "",
            "frequencyInput": "> 3",
            "outputRisk": "45",
            "outputFlag": "'medium'",
            "outputReason": "'Multiple transactions in short timeframe'"
          },
          {
            "_id": "rule7",
            "locationInput": "",
            "amountInput": "",
            "timeInput": "",
            "frequencyInput": "",
            "outputRisk": "0",
            "outputFlag": "'low'",
            "outputReason": "'No suspicious patterns detected'"
          }
        ],
        "inputs": [
          {
            "id": "locationInput",
            "name": "Transaction Location",
            "field": "transaction.location"
          },
          {
            "id": "amountInput",
            "name": "Transaction Amount",
            "field": "transaction.amount"
          },
          {
            "id": "timeInput",
            "name": "Transaction Time",
            "field": "transaction.time"
          },
          {
            "id": "frequencyInput",
            "name": "Recent Transactions Count",
            "field": "transaction.recentCount"
          }
        ],
        "outputs": [
          {
            "id": "outputRisk",
            "name": "Risk Score",
            "field": "fraud.riskScore"
          },
          {
            "id": "outputFlag",
            "name": "Risk Flag",
            "field": "fraud.flag"
          },
          {
            "id": "outputReason",
            "name": "Risk Reason",
            "field": "fraud.reason"
          }
        ],
        "passThrough": true,
        "inputField": null,
        "outputPath": null,
        "executionMode": "single",
        "passThorough": false
      },
      "id": "fraudDetection",
      "name": "detectSuspiciousActivity",
      "position": {
        "x": 430,
        "y": 114
      }
    },
    {
      "type": "expressionNode",
      "content": {
        "expressions": [
          {
            "id": "expr1",
            "key": "finalRiskScore",
            "value": "number(fraud.riskScore)"
          },
          {
            "id": "expr2",
            "key": "requiresReview",
            "value": "fraud.flag == 'high' or $.finalRiskScore > 60"
          },
          {
            "id": "expr3",
            "key": "blockTransaction",
            "value": "$.finalRiskScore > 75"
          },
          {
            "id": "expr4",
            "key": "reason",
            "value": "fraud.reason"
          }
        ],
        "passThrough": false,
        "inputField": null,
        "outputPath": null,
        "executionMode": "single"
      },
      "id": "riskScoring",
      "name": "calculateRiskScore",
      "position": {
        "x": 750,
        "y": 114
      }
    }
  ],
  "edges": [
    {
      "id": "edge1",
      "sourceId": "input",
      "targetId": "fraudDetection",
      "type": "edge"
    },
    {
      "id": "edge2",
      "sourceId": "fraudDetection",
      "targetId": "riskScoring",
      "type": "edge"
    }
  ]
}