Material descriptions. Get a material object by specifying its UUID Get a material object by specifying its path and library name Create a new material object by specifying the UUID of its parent List of Material libraries. List of Materials. Get a list of materials implementing the specified model Get a list of materials implementing the specified model, with values for all properties Save the material in the specified library Returns a filtered material list Refreshes the material tree. Use sparingly as this is an expensive operation.