minecraft-assets/data/minecraft/trial_spawner/trial_chamber/ranged/skeleton/ominous.json

{
  "loot_tables_to_eject": [
    {
      "data": "minecraft:spawners/ominous/trial_chamber/key",
      "weight": 3
    },
    {
      "data": "minecraft:spawners/ominous/trial_chamber/consumables",
      "weight": 7
    }
  ],
  "simultaneous_mobs": 3.0,
  "simultaneous_mobs_added_per_player": 0.5,
  "spawn_potentials": [
    {
      "data": {
        "entity": {
          "id": "minecraft:skeleton"
        },
        "equipment": {
          "loot_table": "minecraft:equipment/trial_chamber_ranged",
          "slot_drop_chances": 0.0
        }
      },
      "weight": 1
    }
  ],
  "ticks_between_spawn": 20
}