Permalink is defined in config.xml, the default value is /article/${year}/${month}/${name}/.

Available variables for permalink style:

• time variables: year, month, day, hour, minute, second
• post name: name
• post file path: pathToFile
• post file name: fileName
• All variables in post front-matter

Example 1

 /article/${year}/${month}/${name}/

==>

/article/2013/09/helle-world/

Example 2

permalink: /article/${title}/

==>

/article/Hello, World!/

Example 3

permalink: /post/${name}.html

==>

/post/hello-world.html

Example 4

permalink: /post/${post_id}/

==>

/post/102/

Note: post_id is a custom variable defined in post front-matter.