minecraft-bedrock-json-schemas/source/behavior/blocks/format/events/damage.json

{
  "$id": "blockception.minecraft.behavior.block.events.damage",
  "type": "object",
  "description": "Deals damage to the target.",
  "title": "Damage",
  "additionalProperties": false,
  "properties": {
    "amount": { "type": "integer", "default": 0, "description": "The amount of damage to deal.", "title": "Amount" },
    "target": { "type": "object", "default": "self", "description": "The target context to execute against.", "title": "Target" },
    "type": { "type": "string", "default": "", "description": "The type of damage to deal.", "title": "Type" }
  }
}