{
  "type": "minecraft:add",
  "argument1": {
    "type": "minecraft:y_clamped_gradient",
    "from_y": 0,
    "to_y": 200,
    "from_value": 0.3,
    "to_value": 0.02
  },
  "argument2": {
    "type": "minecraft:noise",
    "noise": "minecraft:cave_cheese",
    "xz_scale": 0.83,
    "y_scale": 0.66
  }
}