org-icalendar-after-save-hook is a variable defined in `ox-icalendar.el'.
Its value is
nil
This variable may be risky if used as a file-local variable.
Documentation:
Hook run after an iCalendar file has been saved.
This hook is run with the name of the file as argument. A good
way to use this is to tell a desktop calendar application to
re-read the iCalendar file.