{
  "type": "minecraft:add",
  "argument1": {
    "type": "minecraft:y_clamped_gradient",
    "from_y": 239,
    "to_y": 304,
    "from_value": 0,
    "to_value": -1
  },
  "argument2": "angel_islands:islands/layer3/offset_top"
}
