code: def xrp_withdrawal(self, amount, address, destination_tag=None):
          
          data = {'amount': amount, 'address': address}
          if destination_tag:
              data['destination_tag'] = destination_tag
  
          return self._post("xrp_withdrawal/", data=data, return_json=True,
                            version=2)["id"]
docs: Sends xrps to another xrp wallet specified by address. Returns withdrawal id.