mesh_smooth_type (enum in [‘OFF’, ‘FACE’, ‘EDGE’], (optional)) –
Smoothing
OFF Off, Don’t write smoothing.
FACE Face, Write face smoothing.
EDGE Edge, Write edge smoothing.
use_mesh_edges (boolean, (optional)) – Include Edges, Edges may not be necessary, can cause import pipeline errors with XNA
use_anim (boolean, (optional)) – Include Animation, Export keyframe animation
use_anim_action_all (boolean, (optional)) – All Actions, Export all actions for armatures or just the currently selected action
use_default_take (boolean, (optional)) – Include Default Take, Export currently assigned object and armature animations into a default take from the scene start/end frames