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

{
  "$id": "blockception.minecraft.behavior.entities.minecraft.item_hopper",
  "type": "object",
  "title": "Item Hopper",
  "additionalProperties": false,
  "required": [],
  "properties": {},
  "description": "Determines that this entity is an item hopper."
}