From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Fraga, Eric" <e.fraga@ucl.ac.uk>
Subject: Re: Make beamer items ticked or alerted via overlay?
Date: Fri, 6 Sep 2019 07:11:20 +0000
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To: Loris Bennett <loris.bennett@fu-berlin.de>
Cc: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>

Yes, it is possible to use overlays in org beamer export.

Depending on what you want to achieve, there are a number of ways to do
this.  One way in to introduce LaTeX directives directly.  For instance,

#+begin_src org
  1. The first point
  2. The second one @@latex:{\only<2->\checkmark}@@
  3. the third point
#+end_src

There are also other examples in section 13.8.4 (Beamer specific syntax)
in the info manual.

HTH.
--=20
Eric S Fraga via Emacs 27.0.50, Org release_9.2.4-401-gfabd6d