{
  "id": "high-average-item-value",
  "description": "A condition's left-hand side can be a computed expression, not just a field. Here the average item price (Order.Total / Order.ItemCount) must exceed 25 to qualify for white-glove handling. Use 'expression' in place of 'field'; the operator then compares the computed value to 'value'.",
  "condition": {
    "expression": { "op": "divide", "operands": [ { "field": "Order.Total" }, { "field": "Order.ItemCount" } ] },
    "operator": "GreaterThan",
    "value": 25
  },
  "actions": [
    { "type": "setOutput", "target": "WhiteGloveHandling", "value": true }
  ]
}