-(id)init
 {
self = [super init];
if(self){
    [[NSNotificationCenter defaultCenter] addObserver:self
                                      selector:@selector(receiveChatText:)
                                                      name:ChatMessageReceived
                                               object:nil];
 return self;
}

- (void)receiveChatText:(NSNotification *)note {
NSLog(@"received chat text");

}

-(void) didReceiveMessage {
    [[NSNotificationCenter defaultCenter] postNotificationName:ChatMessageReceived
                                          object:nil
                                          userInfo:nil];
 }