recentf-menu-filter-commands

recentf-menu-filter-commands is a variable defined in `recentf.el'.
Its value is

nil

• This variable may be risky if used as a file-local variable.

Documentation:
This variable can be used by menu filters to setup their own command menu.
If non-nil it must contain a list of valid menu-items to be appended
to the recent file list part of the menu. Before calling a menu
filter function this variable is reset to nil.