            when
                             From :: <a href="#t:session_pid/0">session_pid</a>(),
                             Msg :: <a href="https://www.erlang.org/doc/apps/erts/erlang.html#t:term/0">term</a>(),
                             ZoneData :: zone_data(),
                             State :: <a href="https://www.erlang.org/doc/apps/erts/erlang.html#t:term/0">term</a>(),
                             Result :: ow_zone_call_resp().</pre>

      </div>


  </section>
</section>
<section class="de