def METHOD_NAME(self, *args, **options):
    single_email = options['email']
    if single_email:
        successfully_verified = self._add_user_to_manual_verification(single_email)
        if successfully_verified is False:
            log.error(f'Manual verification of {single_email} failed')
        return
    email_ids_file = options['email_ids_file']
    batch_size = options['batch_size']
    if email_ids_file:
        if not os.path.exists(email_ids_file):
            raise CommandError('Pass the correct absolute path to email ids file as --email-ids-file argument.')
    total_emails, failed_emails = self._generate_manual_verification_from_file(email_ids_file, batch_size)
    if failed_emails:
        log.error('Completed manual verification. {} of {} failed.'.format(
            len(failed_emails),
            total_emails
        ))
        log.error(f'Failed emails:{pformat(failed_emails)}')
    else:
        log.info(f'Successfully generated manual verification for {total_emails} emails.')