Only Render Shadows

[GUS74]

Hi guys,
This is the context: I have simple object on 3ds max and I'm trying to render only the shadows of this obect, the top view of the shadows (if it matters).
I'm kinda new on corona but i've tried some things and nothing seems to achieve what I want.
I attached some printscreens to add more context of what i am trying to do, the last one is what i am trying to achieve.

I would be so thankful if I could solve this out.
Thank You sm
GM.

[Aram Avetisyan]

Hi,

You shall make the object not visible to camera (objects properties or material - RaySwitch) and use For compositing mode of shadowcatcher.

Hope this scene helps.