Simple specific NSNotification logger

gistfile1.m

void NotificationLogger(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo) {
    
    NSString *notificationName = (__bridge NSString *)name;
    NSRange prefixRange = [notificationName rangeOfString:@"OB"];
    NSArray *excludeNotifications = @[@"OBNotInterestingNotification"];
    if (prefixRange.location != NSNotFound && prefixRange.length != 0) {]) {
        NSLog(@"Notification send %@ with userInfo %@", name, userInfo);
    }
}

...
// put this into application:didFinishLaunchingWithOptions: for example
CFNotificationCenterAddObserver(CFNotificationCenterGetLocalCenter(), NULL, NotificationLogger, NULL, NULL, CFNotificationSuspensionBehaviorDeliverImmediately);