/**
* Adds a generic attribute record (with this type) to the AttributeValues table
*/
public function addAttributeValue()
{
$db = Loader::db();
$u = new User();
$dh = Loader::helper('date');
$uID = $u->isRegistered() ? $u->getUserID() : 0;
$avDate = $dh->getLocalDateTime();
$v = array($this->atID, $this->akID, $uID, $avDate);
$db->Execute('insert into AttributeValues (atID, akID, uID, avDateAdded) values (?, ?, ?, ?)', $v);
$avID = $db->Insert_ID();
return AttributeValue::getByID($avID);
}