Convert SubD to Polysurface?

Rhino
1

I cannot find the command to convert the whole subd model to polysurface.
trimming it will convert to polysurface. But there must be a command for it?

SubdToPolysurface
SubdToPolysurface1674×1187 162 KB

2

_toNurbs

(Polysurfaces are Poly((optional)trimmendNurbs)Surfaces))