HDRP Terrain Splatmaps

Hi all,

I have imported a .raw file for my terrain along with a splat map. However, I cant find how to replace the terrain splat map with the one I created. I am sure I have done this before, is the reason I cant do this is because I am using HDRP?

Also, my splat map will utilise x7 textures, thus I have separated the alpha into 2 maps. Is there a different technique I have to employ to import the 2 maps onto the terrain?

Thank you