function fromXML($xmlElement)
    {
        $this->contact = new ReportContact();
        $this->contact->fromXML($xmlElement->contact);

        if (isset($xmlElement->mailing_id)) $this->mailingId = $xmlElement->mailing_id;
        if (isset($xmlElement->source)) $this->source = $xmlElement->source;
        if (isset($xmlElement->timestamp)) $this->timestamp = $xmlElement->timestamp;
    }