Any good tutorial for dropdown component in Unity5?

I am learning this component, although the API show just the properties, methods and events,while the manual give a brief overview about how to use it.

I have an enum; and I am trying to add that enum to the dropdown component.
I tried to pass it to the AddOptions method, which obviously won't work, since it accept strings.

Also from my understanding, when you select something from the dropdown, the "On Value Changed" fire up, sending the integer related to the choosen entry. And this is...

Any good tutorial for dropdown component in Unity5?