{
  "listen_port": 5277,
  "object_list": [
    {
      "type": "transform_obj_recorder",
      "name": "transform_recorder",
      "start_config": {
        "obj_name": "transform_sample",
        "save_file": "transform_sample.txt"
      }
    },
    {
      "type": "scalarxyz_obj_recorder",
      "name": "xyz_recorder",
      "start_config": {
        "obj_name": "xyz_sample",
        "save_file": "xyz_sample.txt"
      }
    },
    {
      "type": "double_obj_recorder",
      "name": "double_recorder",
      "start_config": {
        "obj_name": "double_sample",
        "save_file": "double_sample.txt"
      }
    }
  ]
}