minecraft-bedrock-json-schemas/source/behavior/entities/format/components/on_death.json

{
  "$id": "blockception.minecraft.behavior.entities.minecraft.on_death",
  "description": "Adds a trigger to call on this entity's death. minecraft:on_death can only be used by the `ender_dragon` entity.",
  "title": "On Death",
  "$ref": "../types/trigger.json"
}