"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
-<refentry id="systemd.journal-fields">
+<refentry id="systemd.journal-fields" xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>systemd.journal-fields</title>
<term><varname>DOCUMENTATION=</varname></term>
<listitem>
<para>A documentation URL with further information about the topic of the log message. Tools such
- as <command>journalctl</command> will include a hyperlink to an URL specified this way in their
+ as <command>journalctl</command> will include a hyperlink to a URL specified this way in their
output. Should be an <literal>http://</literal>, <literal>https://</literal>,
<literal>file:/</literal>, <literal>man:</literal> or <literal>info:</literal> URL.</para>
</listitem>
<varlistentry>
<term><varname>_STREAM_ID=</varname></term>
<listitem>
- <para>Only applies to <literal>_TRANSPORT=stdout</literal> records: specifies a randomized 128bit ID assigned
+ <para>Only applies to <literal>_TRANSPORT=stdout</literal> records: specifies a randomized 128-bit ID assigned
to the stream connection when it was first created. This ID is useful to reconstruct individual log streams
from the log records: all log records carrying the same stream ID originate from the same stream.</para>
</listitem>
</para>
</listitem>
</varlistentry>
+
+ <varlistentry>
+ <term><varname>__SEQNUM=</varname></term>
+ <term><varname>__SEQNUM_ID=</varname></term>
+
+ <listitem><para>The sequence number (and associated sequence number ID) of this journal entry in the
+ journal file it originates from. See
+ <citerefentry><refentrytitle>sd_journal_get_seqnum</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ for details.</para></listitem>
+ </varlistentry>
</variablelist>
</refsect1>