** org-insert-heading-hook(s) (7)
:PROPERTIES:
:CREATED:  [2023-04-29 Sat 16:04]
:CUSTOM_ID: 2023-04-29_16:04:47.146113
:END:

*** 1. always add CREATED property
:PROPERTIES:
:CREATED:  [2023-04-29 Sat 16:05]
:CUSTOM_ID: 2023-04-29_16:05:16.930966
:END:

#+name: created on [2023-04-29 Sat 16:06:09]
#+begin_src emacs-lisp
(defun my/org-heading-insert-heading-inactive-timestamp ()
  (save-excursion
    ;; src https://emacs.stackexchange.com/questions/72147/org-mode-adding-creation-date-property-upon-heading-creation
    (org-back-to-heading)
    (my/set-property-with-inactive-timestamp "CREATED")))

;; src https://emacs-orgmode.gnu.narkive.com/xdMIn5QZ/o-how-can-i-calculate-the-age-of-a-headline
;; extra src https://emacs.stackexchange.com/questions/72147/org-mode-adding-creation-date-property-upon-heading-creation
(add-hook 'org-insert-heading-hook 'my/org-heading-insert-heading-inactive-timestamp 'append)
#+end_src