{
    "criteria": {
      "requirement": {
        "trigger": "minecraft:player_generates_container_loot",
        "conditions": {
          "loot_table": "kattersstructures:chests/leatherworker"
        }
      }
    },
    "rewards": {
      "function": "kattersstructures:misc/old_cherry/leatherworker"
    }
  }
  