[
  {
    "type": "mapgen",
    "method": "json",
    "update_mapgen_id": "mx_lab_concourse_area_spawn",
    "object": { "place_loot": [ { "group": "lanyard_YS_badge", "x": 4, "y": [ 5, 18 ], "chance": 100 } ] }
  }
]
