{
  "type": "minecraft:multiface_growth",
  "config": {
    "can_be_placed_on": [
      "minecraft:dark_oak_log"
    ],
    "can_place_on_ceiling": true,
    "can_place_on_floor": false,
    "can_place_on_wall": true,
    "chance_of_spreading": 0.3,
    "search_range": 13
  }
}