public static function addNew($data)
{
$mailing_recipient = new MailingRecipient();
$mailing_recipient->first_name = $data['first_name'];
$mailing_recipient->last_name = $data['last_name'];
$mailing_recipient->email_address = $data['email_address'];
$mailing_recipient->mobile_number = $data['mobile_number'];
$mailing_recipient->save();
return $mailing_recipient;
}
