code: def _get_snapshot(name, suffix, blade):
      '''
      Return name of Snapshot
      or None
      '''
      try:
          filt = 'source=\'{}\' and suffix=\'{}\''.format(name, suffix)
          res = blade.file_system_snapshots.list_file_system_snapshots(filter=filt)
          return res.items[0]
      except rest.ApiException:
          return Nonf _get_snapshot(name, suffix, blade):
      '''
      Return name of Snapshot
      or None
      '''
      try:
          filt = 'source=\'{}\' and suffix=\'{}\''.format(name, suffix)
          res = blade.file_system_snapshots.list_file_system_snapshots(filter=filt)
          return res.items[0]
      except rest.ApiException:
          return None
docs: Return name of Snapshot
      or None