available since protocol version
         4.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (TimestampTz)</term>
       <listitem>
        <para>
         Abort timestamp of the transaction. The value is in number
         of microseconds since PostgreSQL epoch (2000-01-01). This field is
         available since protocol version 4.
        </para>
       </listitem>
      </varlistentry>

     </variablelist>
    </listitem>
   </varlistentry>
  </variablelist>

  <para>
   The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare)
   are available since protocol version 3.
  </para>

  <variablelist>
   <varlistentry id="protocol-logicalrep-message-formats-Begin-Prepare">
    <term>Begin Prepare</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('b')</term>
       <listitem>
        <para>
         Identifies the message as the beginning of a prepared transaction message.
        </para>
       </listitem>
      </varlistentry>

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

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

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

      <varlistentry>
       <term>Int32 (TransactionId)</term>
       <listitem>
        <para>
         Xid of the transaction.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>String</term>
       <listitem>
        <para>
         The user defined GID of the prepared transaction.
        </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </listitem>
   </varlistentry>

   <varlistentry id="protocol-logicalrep-message-formats-Prepare">
    <term>Prepare</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('P')</term>
       <listitem>
        <para>
         Identifies the message as a prepared transaction 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 prepare.
        </para>
       </listitem>
      </varlistentry>

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

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

      <varlistentry>
       <term>Int32 (TransactionId)</term>
       <listitem>
        <para>
         Xid of the transaction.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>String</term>
       <listitem>
        <para>
         The user defined GID of the prepared transaction.
        </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </listitem>
   </varlistentry>

   <varlistentry id="protocol-logicalrep-message-formats-Commit-Prepared">
    <term>Commit Prepared</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('K')</term>