PayPal\PayPalAPI\UpdateRecurringPaymentsProfileReq::toXMLString PHP Method

    public function toXMLString()
    {
        $str = '';
        $str .= '<ns:UpdateRecurringPaymentsProfileReq>';
        if ($this->UpdateRecurringPaymentsProfileRequest != null) {
            $str .= '<ns:UpdateRecurringPaymentsProfileRequest>';
            $str .= $this->UpdateRecurringPaymentsProfileRequest->toXMLString();
            $str .= '</ns:UpdateRecurringPaymentsProfileRequest>';
        }
        $str .= '</ns:UpdateRecurringPaymentsProfileReq>';
        return $str;
    }