Roughness in diffuse not working

[kenancakir]

Hi, i tried to add a map to the roughness slot in diffuse section but it seems it affects nothing.. I am using skp 2017 and vray 3.6.03..

[Peter.Chaushev]

Could you please add an example of this to the request for info I mentioned in https://forums.chaosgroup.com/forum/...ng-as-espected ?

Kind regards,
Peter