The subdivision surface finer level uvs will get copied to the polygonToSubd node sent in as argument.The command takes a single subdivision surface and a single polygonToSubd node as input. Additional inputs will be ignored. Please note that this command is an internal command and is to be used with care, directly by the user
Derived from mel command maya.cmds.subdTransferUVsToCache
Example:
import pymel.core as pm
import maya.cmds as cmds
pm.subdTransferUVsToCache( 'subdShape1', 'polyShape4' )