LTW3/data/lib/advancements/damage_taken.json

{
    "criteria": {
        "hurt": {
            "trigger": "minecraft:entity_hurt_player",
            "conditions": {
                "damage": {
                    "taken": {
                        "min": 0.1
                    }
                }
            }
        }
    },
    "rewards": {
        "function": "lib:damage_indicator/damage_taken"
    }
}