How Neighbor Grid3D / Grid2D Collection / SimulationStage works in Niagara?

I’m trying to put it all together as well. Any luck for you so far? Iv’e only tried the grid2d and simulation stage so far and get as far as rendering the grid to a texture (which fails). I dont think I’m properly setting the grid values or something. But yeah it seems theres no info out there on this stuff right now.

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