Adding scm_puom field in lsmw for material creation (WM execution view)

[nachocampana]

Hi there, I am facing a doubt of how to add scm_puom field in my lsmw for material creation.

I have this lsmw using a standard program:

This is the structure relation:

The problem that I have is that I was not able to find that field in any of this structures..., also I dindnt find a way to define "X" indicator for WM execution view like the rest:

Any ideas? 

Tks in advance!