ss="anchor"></a><code><span class="keyword">val</span> session_describe : <span><a href="../Types/Session/index.html#type-t">Types.Session.t</a> Ctypes_static.ptr</span> <span>&#45;&gt;</span> <span>char Ctypes_static.ptr</span> <span>&#45;&gt;</span> Unsigned.size_t <span>&#45;&gt;</span> unit</code></dt><dd><p><code>session_describe sess buf buf_len</code></p><p>Write a null-terminated string describing the internal state of an olm session to the buffer provided for debugging and logging purposes.</p></dd