{
  "pools": [
    {
      "name": "iron",
      "rolls": 1,
      "entries": [{
        "type": "item",
        "name": "minecraft:iron_ingot",
        "functions": [{ "function": "set_count", "count": { "min": 0, "max": 2 } }]
      }]
    },
    {
      "name": "wood",
      "rolls": 1,
      "entries": [{
        "type": "item",
        "name": "twilightforest:tower_wood",
        "functions": [{ "function": "set_count", "count": { "min": 0, "max": 2 } }]
      }]
    }
  ]
}