@Override
    public String getCode() {
        return "http://jabber.org/protocol/admin#packets_notification";
    }
Command that allows to retrieve the presence of all active users.

@author Gaston Dombiak

TODO Create command for removing subscriptions. Subscriptions will now be removed when component disconnects.
xmppserver/src/main/java/org/jivesoftware/openfire/commands/admin/PacketsNotification.java