{
  "decisionTable": {
    "id": "band",
    "description": "Turns a risk score into a decision. The first matching row wins.",
    "hitPolicy": "first",
    "inputs": [ { "field": "Score", "operator": "GreaterThanOrEqual" } ],
    "outputs": [ { "target": "Decision" } ],
    "rows": [
      { "when": [70], "then": ["block"] },
      { "when": [40], "then": ["manual review"] },
      { "when": [null], "then": ["approve"] }
    ]
  }
}