Custom Quip call in Articles

Hello!
I want to use custom captcha on my site. I need to change call for Quip in Articles Template (add &preHooks=`validQaptcha` to QuipReply snippet).
How can I do it? I newbie

Thanks!

Modx Revolution 2.2 pl2 (traditional)
Articles 1.4.3

P.S.: I'm from Russia so my english is bad. [ed. note: baium14 last edited this post 14 years, 8 months ago.]

Hi, I'm not sure if this is the right way to do it, but I think you can add that in
core/components/articles/model/articles/article.class.php
around line 94 the Quip snippet is called.