pxr.Usd.References.AddReference
pxr.Usd.References method
Adds a reference to the reference listOp at the current EditTarget, in the position specified by position.
Universal Scene Description: UsdReferences Class Reference
Args
positon: pxr.Usd.ListPosition (Default: pxr.Usd.ListPositionBackOfPrependList)
Return
bool