fschaar

Thanks for the reply!
I was able to make it work!

Thanks for giving clarity. The Examples in your docs look differently maybe there is something wrong?

As far as I can see “one_page_express_background” is not added to any filter or action hook. but when i try to create an empty function wit the same name in in the child theme, the site gets broke.

That is the Problem, I do not know the name of the hook. Howdy I find out? I do not see an add_action with that function.