</p></dd></dl><dl><dt class="spec value" id="val-outbound_group_session_message_index"><a href="#val-outbound_group_session_message_index" class="anchor"></a><code><span class="keyword">val</span> outbound_group_session_message_index : <span><a href="../Types/OutboundGroupSession/index.html#type-t">Types.OutboundGroupSession.t</a> Ctypes_static.ptr</span> <span>&#45;&gt;</span> Unsigned.uint32</code></dt><dd><p><code>outbound_group_session_message_index sess</code></p><p>Get the current message index for th