zen-engine 2.0.1

{
  "blocks": [
    {
      "id": "tree1",
      "type": "match",
      "props": {
        "data": {
          "key": "customer.tier",
          "arms": [
            {
              "id": "b1",
              "condition": "customer.age > 50",
              "value": "\"gold\""
            },
            {
              "id": "b2",
              "condition": "",
              "value": "\"silver\""
            }
          ]
        }
      }
    }
  ]
}