Oh, sorry, I meant the “Transmission Roughness” setting of the “Principled BSDF” (where I erroneously wrote ” ‘Translucency’ setting”) in combination with the “Transmission” setting of the same shader in order to create a diffuse transmission which should create a translucency effect.
I was thinking at what is written in the Blender manual here:
” Reflection and transmission rays can further have these properties: