Allows you to create new additional materials or update, if Name matches an existing additional material, existing additional materials. It can be contained within a COMPONENT or PIPELINE element. When the statement occurs as part of a PIPELINE element, the new additional material is created at the Pipeline level.
Basic syntax:
You must specify the ComponentType and the Configuration of the material. In most instances, the configuration is set to Dimensionless. After you have created the item, you can use EXTERNAL-MAP statements to define material properties. Usually, these properties are applied to the material (inside a <MATERIAL> tag), although they also can be applied as attributes of the component.