Is it possible to spawn grass and foliage dynamically where users want to spawn?

Hello,

I have been trying to spawn grass and foliage dynamically in UEFN.
However, I cannot get to the point where the player’s looking at and where the impact point is.
I am looking for similar features with Line trace of Blueprints, but I cannot find them in UEFN.

Does anyone know how can I do that?
Also, however, the UEFN is the tight on memory amount, so probably the dynamic spawn behaviour is prohibited.

Thanks,