I absolutely love the new F70/F100. The cabin announcements and F/O callouts are a nice addition, lovely!

I'm wondering if there's such a thing as custom ones? I'd love some KLM pack but can't seem to find anything about it on the internet. I know the product is fairly new, but I'm looking for maybe a community that's in that sort of things, or is it planned in a future update in any way?

If I were to do it myself, where do I find the F/O callouts? I can only find the PA announcements. Thanks!