{
  "version": 1,
  "builds": [
    {
      "option": "underline",
      "autoplay": true,
      "steps": [
        {
          "effects": [
            {
              "target": "[data-native=\"underline\"]",
              "kind": "wipe",
              "duration": 500,
              "delay": 500,
              "accel": 0,
              "decel": 0
            }
          ],
          "duration": 1000
        }
      ]
    }
  ]
}