def METHOD_NAME(self, orderid):
    r = self.apicall('GetWithdrawals', {'OrderID': orderid})
    w = r['data']
    if len(w) == 0:
        # No withdrawal found, so nothing to match yet
        return None
    elif len(w) != 1:
        raise TrustlyException('Received more than one withdrawal for order {0}'.format(orderid))
    return w[0]