Requesting help

I have alot of questions regarding the UI C++ design system that is inplace (in regard to the FText, SButton and slate and such)

I guess ill begin with my current issue.
Am I stipped out of any possibiltiy of displaying a custon asset ? (I want to display a model in a custom window that ue4 created me
via the plugin creator *)

so buttom line, All im saying is, Is the photo that I atteched to the post even possible?

(the models extenstion will be fbx)*