org-agenda-before-write-hook

org-agenda-before-write-hook is a variable defined in `org-agenda.el'.
Its value is

(org-agenda-add-entry-text)

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

Documentation:
Hook run in a temporary buffer before writing the agenda to an export file.
A useful function for this hook is `org-agenda-add-entry-text'.

You can customize this variable.