code: def create_role_custom_secret_id(self, role_name, secret_id, meta=None, mount_point='approle'):
          
          url = '/v1/auth/{0}/role/{1}/custom-secret-id'.format(mount_point, role_name)
          params = {
              'secret_id': secret_id
          }
          if meta is not None:
              params['meta'] = meta
          return self._adapter.post(url, json=params).json()
docs: POST /auth/<mount_point>/role/<role name>/custom-secret-id
  
          :param role_name:
          :type role_name:
          :param secret_id:
          :type secret_id:
          :param meta:
          :type meta:
          :param mount_point:
          :type mount_point:
          :return:
          :rtype: