How to get data from another entity, into my extended material shader?

[uneven sleet]

I wish to get information from another entity, to use in my shader that I am applying to a specific entity, in this case I would like to get information from a resource, and the camera

[uneven sleet]

ok, so my current belief (not knowledge for sure) is that the pbr_input I can get from the pbr_input_from_standard_material basically has almost all information that I would want