         founded = false
         elements = new TableviewElement()
         elements.set response
-        if add
+        if add != undefined
           $.ajax
             url: elements.get('links')._self_add
             method: "GET"

                  view = new FullPageFormView(options)
                  appRouter.setCurrentMainView view
              founded = true
              return false
        unless founded
          view = new TableviewCollectionView(
            elements: elements

                ]
              )
          founded = true
        if entityId != undefined
          collection_name = elements.get("collection_name")
          collection = elements.get(collection_name)
          $.each collection, (rank, values) ->
