Additive blending on skybox background?

Hi

I’ve started using additive blending on my objects (neon effect), but also need the effect applied to the skybox background (not working at the minute) - am I right in thinking the only way to do this is to render the sky and scene into their own layers, and recombine onto full screen quads using additive blending?

have figured it out - I had my skybox on a seperate node/renderpass anyway, so that’s why it wasn’t working…