XF 1.5 Adding a sticky divider

[tea hof]

ive seen this thread > https://xenforo.com/community/threads/adding-a-sticky-divider.134671/

is there a way achieve this on 1.5.15

 

[dutchbb]

I use this add-on for it.

https://xenforo.com/community/resources/separate-sticky-and-normal-threads-xf-1-2-by-xon.3750/