def competitions_submissions_upload(self, file, guid, content_length, last_modified_date_utc, **kwargs):  # noqa: E501
        """Upload competition submission file  # noqa: E501

        This method makes a synchronous HTTP request by default. To make an
        asynchronous HTTP request, please pass async_req=True
        >>> thread = api.competitions_submissions_upload(file, guid, content_length, last_modified_date_utc, async_req=True)
        >>> result = thread.get()

        :param async_req bool
        :param file file: Competition submission file (required)
        :param str guid: Location where submission should be uploaded (required)
        :param int content_length: Content length of file in bytes (required)
        :param int last_modified_date_utc: Last modified date of file in milliseconds since epoch in UTC (required)
        :return: Result
                 If the method is called asynchronously,
                 returns the request thread.
        """
        kwargs['_return_http_data_only'] = True
        if kwargs.get('async_req'):
            return self.competitions_submissions_upload_with_http_info(file, guid, content_length, last_modified_date_utc, **kwargs)  # noqa: E501
        else:
            (data) = self.competitions_submissions_upload_with_http_info(file, guid, content_length, last_modified_date_utc, **kwargs)  # noqa: E501
            return data