code: def groups_createChild(self, *, channel: str, **kwargs) -> SlackResponse:
          
          self._validate_xoxp_token()
          kwargs.update({"channel": channel})
          return self.api_call("groups.createChild", http_verb="GET", params=kwargs)
docs: Clones and archives a private channel.
  
          Args:
              channel (str): The group id. e.g. 'G1234567890'