{
  "criteria": {
    "requirement": {
      "trigger": "minecraft:player_killed_entity",
      "conditions": {
        "entity": [
          {
            "condition": "minecraft:entity_properties",
            "entity": "this",
            "predicate": {
              "nbt": "{Tags:[\"refresh_entity_silenced\"]}"
            }
          }
        ]
      }
    }
  },
  "rewards": {
    "function": "vanilla_refresh:block/echo/kill_mob"
  }
}
