c62c23ba_nar_shortcuts_pane__Xfce_Wiki___Description
[ID] B24 [Mockup custom-view] – [Thunar] – [Description] 
Dragging a URI to the empty area or a category title with the right mouse button pops up a context menu where the user can choose between a temporary and permanent bookmark in the category
design:thunar:shortcuts-pane [Xfce Wiki]
Description