org-checkbox-statistics-hook

org-checkbox-statistics-hook is a variable defined in `org-list.el'.
Its value is

nil

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

Documentation:
Hook that is run whenever Org thinks checkbox statistics should be updated.
This hook runs even if checkbox rule in
`org-list-automatic-rules' does not apply, so it can be used to
implement alternative ways of collecting statistics
information.