// Of course, there are some obvious dangerous with this: it's not that hard
// to fake an xmpp name to look like someone it's not. In an otherwise
// authenticated world, this might be a way to make it look like
// people are saying things they're not.
CommsManager cm = WonderlandContext.getCommsManager();
WonderlandClientSender sender = cm.getSender(TextChatConnectionType.CLIENT_TYPE);
// Send to all clients, because the message is originating from a non-client source.
Set<WonderlandClientID> clientIDs = sender.getClients();
// Construct a new message with appropriate fields.