You use the three buttons in the Switch Attribute to add, remove, and map textures to objects. The inShape column contains the objects you want to map the utility to. The inQuad column contains the texture, file, or placement node you want to map to the object.
Find this utility in the Create Bar (see Hide, resize or customize the Create bar).
To use this utility, see Use the Quad Switch utility.
Contains the name of the shape (the object) you want to connect to the Quad Switch utility. You can add as many objects as you want to this column.
When one of the objects in this column is rendered, Maya sets Output to its corresponding value. When none of the objects are rendered, Maya sets Output to equal the Default setting.
Contains the texture, file, or placement node that you want to map to the object. See also Map Item.