{
  "parent": "twilightforest:alt/root",
  "criteria": {
    "maze_map_focus": { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:maze_map_focus" }]}},
    "maze_map_empty": { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:maze_map_empty" }]}},
    "maze_map"      : { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:maze_map" }]}}
  },
  "requirements": [
    [ "maze_map_focus", "maze_map_empty", "maze_map" ]
  ]
}