Texture Graph Editor Node Reference
https://dev.epicgames.com/community/learning/tutorials/Pn0V/unreal-engine-texture-graph-node-reference
I think this plugin has some bugs, every time I restart the engine, even if I save the texture, the contents of the file will disappear.
Sorry for the late response, can you provide a little more information. What is empty, the graph or the exported texture?