Let me start off by saying, i'm not 100% sure I'm posting this in the correct tab, so someone please correct me for future posts if stuff like this should be somewhere else. Now, to the question. I've googled this extensively, and I can't seem to find out how to do it, so I figured someone on here might know. I've seen (In multiple mods) people writing their own INI files that are usually attached or go with an ESP. For example, I've looked in some and they've written it to add denser grass. This is especially useful because it doesn't change the entire Fallout INI, but rather add's a new one that presumably relies on the ESP. I was wondering how I could go about doing this for my own mods. By no means am I an advanced modder, so the question may be simple to others, but I'm completley lost on how to do it. Any information or advice would help. Thanks.