How to clear the site's opengraph cache when publishing to a group?

Question

Classmates

Facebook has the ability to clear the site's opengraph cache using lint.
How to do it in classmates?
I wanted to publish a link to the site, but then I changed some opengraph data, and classmates still give out the old information about the site. How to be?

Answer 1

Простой способ - поменять url, добавить в него например timestamp или ещё чего-то