VAST tags macros support

Hello, please share information how to handle with popular adserver like LKQD, StreamRail, AOL, Beachfront for video ads.
Usually such tags goes with macros unique for each user session [CB] = timestamp, [WIDTH], [HEIGH] etc. How to pass them into such tags?

Follow here,
https://adtagmacros.com/roku-vast-macros-for-custom-ad-server/

I have used DFP and Streamrail macros until now, But you can can get rest of the macros from the link, which is also present in Roku Site