function setLastRead($userID = false, $timestamp = false)
{
if ($userID === false) {
$userID = eZUser::currentUserID();
}
if ($timestamp === false) {
$timestamp = time();
}
$collaborationID = $this->attribute('id');
eZCollaborationItemStatus::setLastRead($collaborationID, $userID, $timestamp);
eZCollaborationItemParticipantLink::setLastRead($collaborationID, $userID, $timestamp);
}
