{
    "criteria": {
      "requirement": {
        "trigger": "minecraft:location",
        "conditions": {
          "location": {
            "position": {
              "y": {
                  "min": 320
              }
            }
          }
        }
      }
    },
    "rewards": {
      "function": "minecraft:low_grav_height"
    }
  }
  