code: def AsyncSearchUsers(self, Target):
          
          if not hasattr(self, '_AsyncSearchUsersCommands'):
              self._AsyncSearchUsersCommands = []
              self.RegisterEventHandler('Reply', self._AsyncSearchUsersReplyHandler)
          command = Command('SEARCH USERS %s' % tounicode(Target), 'USERS', False, self.Timeout)
          self._AsyncSearchUsersCommands.append(command)
          self.SendCommand(command)
          # return pCookie - search identifier
          return command.Id
docs: Asynchronously searches for Skype users.
  
          :Parameters:
            Target : unicode
              Search target (name or email address).
  
          :return: A search identifier. It will be passed along with the results to the
                   `SkypeEvents.AsyncSearchUsersFinished` event after the search is completed.
          :rtype: int