{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/AttachmentReference",
  "title": "AttachmentReference",
  "type": "object",
  "description": "Reference to an uploaded attachment",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "description": "GUID identifier of the attachment"
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "URL to download or reference the attachment"
    }
  }
}