How to react to a UIAlertView

alertView.m

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
    
    [self myMethod];

if (buttonIndex ==0) {
        NSLog(@"User pressed first button");
    } else if (buttonIndex == 1) {
        NSLog(@"User pressed second button");
    } else {
        NSLog(@"There were even more buttons?");
    }
}