{
    // What structures to pick to try and spawn if a spot passes the placement check.
    // If two or more structures in this list can spawn in a biome at a spot, a random one based on weight is chosen to spawn
  "structures": [
    {
      "structure": "irons_spellbooks:evoker_fort",
      "weight": 1
    }
  ],
  "placement": {
      // Make sure this is unique and does not match any other structure set's salt
    "salt": 568451293,

      // The average distance apart in chunks for spawn attempts
    "spacing": 85,

      // Minimum distance apart in chunks for spawn attempts
      // MUST ALWAYS BE SMALLER THAN spacing ABOVE
    "separation": 50,

      // The kind of placement to use. The other kind is ring based like strongholds use.
    "type": "minecraft:random_spread"
  }
}