Template:REVISIONTIMESTAMP/doc

About REVISIONTIMESTAMP
is a "magic word" that returns the last time an article was changed. On November 14, 2013, this feature was expanded to include, which makes it possible to query from a given page when any article was edited. This template does not need to be used in place of the magic word normally, but is provided so that a WP:Lua module can use frame:expandTemplate to access this function. (There may well be some other better way to do this).

Example:

It can be used with, like this:

But you can get this straight from the parser function by typing.

Note: Use of REVISIONTIMESTAMP with a parameter appears to be counted as an expensive parser function against the page limit. This can be confirmed using Module:Preview expense.