code: def cli(env, identifier, body):
      
      mgr = SoftLayer.TicketManager(env.client)
  
      ticket_id = helpers.resolve_id(mgr.resolve_ids, identifier, 'ticket')
  
      if body is None:
          body = click.edit('\n\n' + ticket.TEMPLATE_MSG)
  
      mgr.update_ticket(ticket_id=ticket_id, body=body)
      env.fout("Ticket Updated!")
docs: Adds an update to an existing ticket.