How to add sitemap in blogspot.

Add a sitemap in blogspot is very very easy.
The only thing that you need is following those steps:

1)Go on google webmaster tools.

2)Add your site url.

3)Verify it.

4)Add a sitemap with your url.
Example: http://yoursite.blogspot.com/atom.xml
or
http://yoursite.blogspot.com/atom.xml

5)Finish

That's all folks.