def METHOD_NAME(self, args: Optional[DictConfig] = None) -> None:
    """
    Register this requester with the crowd provider by providing any required credentials
    or such. If no args are provided, assume the registration is already made and try
    to assert it as such.
    """
    for req_field in ["access_key_id", "secret_access_key"]:
        if args is not None and req_field not in args:
            raise Exception(f'Missing IAM "{req_field}" in requester registration args')
    setup_aws_credentials(self._requester_name, args)