docs: def get_sent(self, expired=False, for_all=False):
          """Retreve information on previously sent transfers.
  
          :param expired: Whether or not to return expired transfers.
          :param for_all: Get transfers for all users.
           Requires a Filemail Business account.
          :type for_all: bool
          :type expired: bool
          :rtype: ``list`` of :class:`pyfilemail.Transfer` objects
          """
  
          method, url = get_URL('get_sent')
  
          payload = {
              'apikey': self.session.cookies.get('apikey'),
              'logintoken': self.session.cookies.get('logintoken'),
              'getexpired': expired,
              'getforallusers': for_all
              }
  
          res = getattr(self.session, method)(url, params=payload)
  
          if res.status_code == 200:
              return self._restore_transfers(res)
  
          hellraiser(res.json())