[Closed] Unwrap UVW selection to mesh selection

I have X faces selected in Unwrap UVW. How do I convert this selection into mesh triangle selection?

Unwrap UVW works with polygons and not triangles. I haven’t found any way to map between polygons and triangles so far.

EDIT: Okey the answer was a really simple one. Simply ask the selection from mesh and not Unwrap UVW. ($.mesh.selectedFaces)