</listitem>
      </varlistentry>

      <varlistentry>
       <term>Int8</term>
       <listitem>
        <para>
         Flags; Either 0 for no flags or 1 if the logical decoding
         message is transactional.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (XLogRecPtr)</term>
       <listitem>
        <para>
         The LSN of the logical decoding message.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>String</term>
       <listitem>
        <para>
         The prefix of the logical decoding message.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int32</term>
       <listitem>
        <para>
         Length of the content.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Byte<replaceable>n</replaceable></term>
       <listitem>
        <para>
         The content of the logical decoding message.
        </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </listitem>
   </varlistentry>

   <varlistentry id="protocol-logicalrep-message-formats-Commit">
    <term>Commit</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('C')</term>
       <listitem>
        <para>
         Identifies the message as a commit message.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int8(0)</term>
       <listitem>
        <para>
         Flags; currently unused.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (XLogRecPtr)</term>
       <listitem>
        <para>
         The LSN of the commit.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (XLogRecPtr)</term>
       <listitem>
        <para>
         The end LSN of the transaction.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (TimestampTz)</term>
       <listitem>
        <para>
         Commit timestamp of the transaction. The value is in number
         of microseconds since PostgreSQL epoch (2000-01-01).
        </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </listitem>
   </varlistentry>

   <varlistentry id="protocol-logicalrep-message-formats-Origin">
    <term>Origin</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('O')</term>
       <listitem>
        <para>
         Identifies the message as an origin message.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (XLogRecPtr)</term>
       <listitem>
        <para>
         The LSN of the commit on the origin server.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>String</term>
       <listitem>
        <para>
         Name of the origin.
        </para>
       </listitem>
      </varlistentry>
     </variablelist>

     <para>
      Note that there can be multiple Origin messages inside a single transaction.
     </para>
    </listitem>
   </varlistentry>

   <varlistentry id="protocol-logicalrep-message-formats-Relation">
    <term>Relation</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('R')</term>
       <listitem>
        <para>
         Identifies the message as a relation message.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int32 (TransactionId)</term>
       <listitem>
        <para>
         Xid of the transaction (only present for streamed transactions).
         This field is available since protocol version 2.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int32 (Oid)</term>
       <listitem>
        <para>
         OID of the relation.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>String</term>