org-capture-prepare-finalize-hook is a variable defined in `org-capture.el'.
Its value is
nil
This variable may be risky if used as a file-local variable.
Documentation:
Hook that is run before the finalization starts.
The capture buffer is current and still narrowed.
You can customize this variable.
This variable was introduced, or its default value was changed, in
version 24.1 of Emacs.