code: def cli(env, identifier, sortby, cpu, domain, hostname, memory, tag, columns):
      
  
      mgr = SoftLayer.DedicatedHostManager(env.client)
      guests = mgr.list_guests(host_id=identifier,
                               cpus=cpu,
                               hostname=hostname,
                               domain=domain,
                               memory=memory,
                               tags=tag,
                               mask=columns.mask())
  
      table = formatting.Table(columns.columns)
      table.sortby = sortby
  
      for guest in guests:
          table.add_row([value or formatting.blank()
                         for value in columns.row(guest)])
  
      env.fout(table)
docs: List guests which are in a dedicated host server.