4.26 Water System - Information & Customization

Hi all,

I’m having trouble customizing 4.26’s water system. I’d like the export flowmaps from another program and plug it directly into the waterZone’s combined velocity+heightmap. Unfortunately, the waterZone blueprint is generated automatically when dropping a water body into the scene, and its control parameters are greyed out (seemingly for automation).

Was wondering if anyone was able to do this? Or has an idea on how we can make a greyed out parameter editable?