Use the import or export options in Hypershade’s File menu to import and export rendering networks among scenes (see Hypershade window). You can also import rendering networks into the current scene by dragging them from the project directory.
For more information about shading networks, see About shading networks.
To import a rendering network
The network swatch appears in Hypershade’s Work Area.
To import all networks from another scene
Maya imports all the nodes from that scene into the current scene.
To export a rendering network