WISHLIST: SV Custom SET and GET Attribute for Geometry Nodes instancing

Created by: enzyme69

Snapshot:

As shown by Bradley Animation with Animation Nodes here: https://www.youtube.com/watch?v=EmMyxSRGhRc

I am wondering if SV can support the creation of Custom Attribute (Points) and fill it values so that Geometry Nodes can understand the value and using it for instancing.