implement rel="next" and rel="prev"

Hi,
I want to know how implement rel="next" and rel="prev" in the Meta tag.
http://googlewebmastercentral.blogspot.j...lprev.html

Do you know reference page to implement implement rel="next" and rel="prev" in the Meta tag, and is, do you have?
I searched in a variety of pages, but could not find it.I am in an inconvenience. I appreciate your help.

That's done automatically in CI3, you don't have to do anything.