{
  "name": "Custom actions",
  "description": "An action whose 'type' names a handler registered in C# (RuleWrightBuilder.RegisterAction(\"setIfHigher\", ...)). The handler receives the action's target, its already-evaluated value, the fact, and read/write access to the running outputs - here it keeps the highest bid ever written. An unregistered type fails at load, exactly like a misspelled built-in.",
  "rules": [
    {
      "id": "vip-bid",
      "priority": 2,
      "condition": { "field": "Customer.IsVip", "operator": "Equals", "value": true },
      "actions": [
        {
          "type": "setIfHigher",
          "target": "Bid",
          "value": { "op": "multiply", "operands": [ { "field": "Order.Total" }, 0.1 ] }
        }
      ]
    },
    {
      "id": "floor-bid",
      "priority": 1,
      "description": "Runs after vip-bid; its constant only wins when the computed bid was lower.",
      "condition": { "field": "Order.Total", "operator": "GreaterThan", "value": 0 },
      "actions": [
        { "type": "setIfHigher", "target": "Bid", "value": 5 }
      ]
    }
  ]
}