occurrences (OccurrenceList) : Occurrences of components to create attributes sharpEdge (Angle) [optional] : Edges with an angle between their polygons greater than sharpEdge will be considered sharp (default use the PiXYZ sharpAngle parameter) uvChannel (Int) [optional] : UV channel to use for the tangents creation override (Boolean) [optional] : If true, override existing tangents, else only create tangents on meshes without tangents
