In addition to the Node Editor toolbar and menu, the Node Editor marking menus provide an additional way for you to customize your Node Editor graph.
Access the work area marking menus by right-clicking on any empty area in the Node Editor.
Enable this option so that if you highlight a node in the Node Editor, the same node is also selected in the scene and vice versa. You can also select this option from the Node Editor Options menu. See Selection in the Node Editor for more information.
Enable this option so that when you create a node in the scene, it is also added to the Node Editor. If this option is disabled, only nodes that you create using the Node Editor (for example, using Tab creation or drag and drop creation; see Create a Node for more information) are shown. You can also select this option from the Node Editor Options menu; or, you can also enable/disable this option by clicking the lock button to lock/unlock the view. See Locking the view for more information.
Customize your graph in the Node Editor by selecting any of the provided options. You can also select these options via the Node Editor Display menu. For a description of the available options, see Node Editor Display menu for more information.
Select which object types to show in the Node Editor. You can also select these options via the Node Editor Show menu. For a description of the available options, see Node Editor Show menu for more information.
You can also select the Display menu options, and the Sync Node Editor/Model Selection and Add to Graph on Create options by selecting Windows > Settings/Preferences > Preferences > Settings > Node Editor. If you select these options under the Preferences window, the changes are applied the next time you open the Node Editor. See Node Editor Preferences for more information.
Access the node marking menus by right-clicking on any node in the Node Editor.
Select this option to open the Add Attribute window. See Create, edit or delete custom attributes for more information.