By default, ShaderFX group nodes (and other custom elements such as scenes and baked preview swatches) are saved to the maya\ShaderFX folder of your $HOME or \MyDocuments directory. To customize the location of your ShaderFX folder, set the system environment variable SHADERFX_CUSTOMUSERPATH to your preferred location. You can also use the shaderfx command with the -setUserPath flag.
To save your group node to disk
 icon to visualize the group network.
 icon to visualize the group network. 
		Your group node, now renamed to Name, is accessible when you right-click the work area, and appears in the marking menu as Category name > Sub menu name > Class name.
