Messages sent to hardcopy log in JES3 system

Messages sent to the JESMSG hardcopy log in a JES3 system appear in the format:
  hh:mm:sst message 
Messages sent to the MLOG/DLOG hardcopy log appear in the format:
  dest console  yyddd hhmmsstia[prefix] message 
dest
JES3 destination class, which corresponds to the MVS™ routing code.
console
JES3 or MVS console name, as follows:
blank
For a message issued without a console name.
nnnnn
The JES3 console name (JNAME) from the JES3 initialization stream. This applies to remote consoles only.
cnname
The MCS console name, as specified on the NAME(cnname) parameter under the CONSOLE definition in SYS1.PARMLIB(CONSOLxx).
INTERNAL
For a command generated by a problem program or operating system routine.
NETWORK
For a message issued to the network job entry (NJE) console.
yyddd
The Julian date, given as the year (00-99) and the day of the year (000-366).
Note: If HCFORMAT(CENTURY) is specified in the CONSOLxx parmlib member, the Julian date appears as yyyyddd.
hhmmsst
Time stamp, given as the hour (00-23), minute (00-59), second (00-59), and tenth of a second (0-9).
i
Attention indicator for JES3 space constraints, as follows:
blank
Normal output or no action required.
#
The message is rerouted automatically or by a command from another console.
%
Minimum space (track) situation (JSAM).
=
Marginal space (track) situation (JSAM).
<
Minimum buffer situation (JSAM).
Note: These four symbols can be changed by a CONSTD statement in the JES3 initialization stream.
a
Action prefix character, as follows:
blank
Normal message.
+
JES3 input command, issued on the global processor.
-
MVS input command, issued on the global processor.
Operator action required.
prefix
sysname R=jobname Optional prefix for messages issued outside the JES3 address space or on a local processor, as follows:
sysname
The name of the system where the issuing program is running. JES3 determines the name from the ID parameter on the MAINPROC statement in the JES3 initialization stream.
jobname
The job name of the issuing program. It is all blanks for an system routine.
message
Reply identifier, message identifier, and text.