gather from message send addresses

Randy Bush <[email protected]> Tue, 13 Sep 2016 06:00:27 -0700

Newsgroups	gmane.mail.wanderlust.general
Message-ID	<m2oa3sgdjo.wl-randy__25603.3732592643$1473771735$gmane$org@psg.com>

in bbdb2, i had

;; bbdb gather from message send addresses
(defun zzz-bbdb-mail-send-function ()
  (bbdb-update-records
   (delete-if (lambda (item)
		(string= "" (caaddr item)))
	      (bbdb-wl-get-addresses bbdb-get-only-first-address-p))
   t t))
(add-hook 'mail-send-hook 'zzz-bbdb-mail-send-function)

what is the bbdb3 equivalent?

randy