Hi!,
I am trying to create a directional trail using the spawning of mesh particle planes
with a directional sphere mask material, that renders to a runtime virtual texture.
Currently i have seen many people using this method but instead of particles
they spawn and destroy the planes as objects from blueprint.
There are ways to write to a render target from niagara but no obvious way to write to rvt.
When placing the plane as an object it writes to it just fine because you can supply the rvt
to write to from the details panel.
Anyone else try this or have any idea how to link niagara particles to virtual textures?
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Edit:
No one seemed to have any answers on this.
Was just trying to experiment a little bit.
Now just using proven method of player positioned render target’s to accomplish the same thing.
For anyone else playing around with this, i would still suggest doing this after rvt output.
The update rate for rvt itself is not high enough. 
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This is a wonderful idea, if I can use ribbon to write to RVT, the I can make a tier tracks or something like blood trail on the ground.
Please ALL-MIGHTY Dev Team grant our wish.