emacs - Elisp - Avoid prompt in interactive function -

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i'm trying call following org-mode function insert current timestamp in buffer. function called script.

(org-time-stamp-inactive)

this, expected, brings prompt asking date use timestamp. want skip prompt , insert timestamp directly. possible @ all? haven't found me.

this should insert current inactive time stamp: 

(org-insert-time-stamp nil nil t)

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