Which one? The search of that single word produced 50+ topics
I am no expert on the subject, but since joining NR I read most of the posts to simply learn what I can. And on this topic, there seem to be a few different ways... but all require you do some heavy document reading and trials on your end, I don't think you will find a simple answer otherwise.
Based on your info so far, this might be a close relation to your need??