     func makeNode(in context: Context?) throws -> Node {
         return try Node(node: [
             "url" : .string(url),
+            "type" : .number(.int(type))
         ]).add(objects: [
             "id" : id,
-            "product_id" : product_id,
-            "type" : type
+            "product_id" : product_id
         ])
     }
     

    
    init(node: Node) throws {
        url = try node.extract("url")
        type = try? node.extract("type")
        
        if let context: ParentContext = node.context as? ParentContext {
            product_id = context.parent_id

    static var permitted: [String] = ["product_id", "url", "type"]
    
    let url: String
    let type: Int
    let product_id: Identifier
    
    static func pictures(for owner: Identifier) throws -> Query<ProductPicture> {
