       @fetch(@ticket_id)
     @interval( update, 30000, 'zoom_check' )
 
-  fetch: (ticket_id) ->
+  fetch: (ticket_id, force) ->
 
     # get data
     App.Com.ajax(

            @log 'TicketZoom', 'error', 'update article', errors
          article.save(
            success: (r) =>
              @fetch(@ticket.id)
            error: (r) =>
              @log 'TicketZoom', 'error', 'update article', r
          )
        else
          @fetch(@ticket.id)
    )

#    errors = article.validate()

        view: @view
      processData: true
      success: (data, status, xhr) =>
        if @dataLastCall && !force
          return if _.isEqual( @dataLastCall.ticket, data.ticket)
          diff = difference( @dataLastCall.ticket, data.ticket )
          console.log('diff', diff)
