{
  "feature": "minecraft:patch_pumpkin",
  "placement": [
    {
      "chance": 4,
      "type": "minecraft:rarity_filter"
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "heightmap": "MOTION_BLOCKING",
      "type": "minecraft:heightmap"
    },
    {
      "type": "minecraft:biome"
    }
  ]
}