# Todomvc 2 lists have items

## Objectives

1. Giving Lists many items.
2. Showing items of a list.
3. Building a Nested Resource Form for Creating Items in a List
4. Creating an Item associated with a list.
5. Adding validations.
6. Looking at ActiveModel::Errors
7. Rendering an invalid instance from a controller action.
8. Showing custom errors behavior.

## Video

&#x20;\<iframe width="100%" height="720" src="<https://www.youtube.com/embed/OsinhhQLmRk?rel=0&showinfo=0>" frameborder="0" allowfullscreen>\</iframe>

[MP4](http://learn-co-videos.s3.amazonaws.com/rails/TODOMVC-2.mp4)

This video is meant to be a review of the second set of topics in Ruby on Rails.

There will be more videos building out the rest of TODOMVC.

## Code:

* [Start of Lecture](https://github.com/aviflombaum/todo-mvc-lv/tree/lecture-1)
* [End of Lecture](https://github.com/aviflombaum/todo-mvc-lv/tree/lecture-2)