$request:path
Returns the path from the URI, that is, the decoded part of the URI starting with the / character and ending before the ? character (if present).
Example
Let's assume, a visitor requests the following page:
http://www.mysite.ru/some%20news/articles.html?year=2000&month=05&day=27
Then
$request:path
will return:
/some news/articles.html