Presenting Modal VC

gistfile1.m

        _assessmentListViewController = [[PMAssessmentListViewController alloc] initWithNibName:@"PMAssessmentListViewController" bundle:[NSBundle mainBundle]];
        [_assessmentListViewController setStudent:student];
        [_assessmentListViewController setAssessment:[[student classroom] assessment]];
        
        UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:_assessmentListViewController];
        [navController setDelegate:self];
        
        UIBarButtonItem *doneButton = [[UIBarButtonItem alloc] initWithTitle:@"done" style:UIBarButtonItemStylePlain target:self action:@selector(dismissTaskList:)];
        [[_assessmentListViewController navigationItem] setLeftBarButtonItem:doneButton];
        
        [self presentViewController:navController animated:YES completion:nil];