{
  "name": "RecordActivityTaskHeartbeatInput",
  "description": "",
  "type": "object",
  "properties": [
    {
      "name": "taskToken",
      "type": "string",
      "description": "",
      "required": true
    },
    {
      "name": "details",
      "type": "string",
      "description": "",
      "required": false
    }
  ]
}