The  Check Message  ID  command checks  if  a message  ID  exists in  a
message  file.    The command  completes  normally  if  the message  ID
exists and sends TAA9891 as an escape message if it does not.

A typical command would be:

             CHKMSGID  MSGID(xxxnnnn) MSGF(yyyy)

CHKMSGID escape messages you can monitor for
--------------------------------------------

      TAA9891    The message ID does not exist.

Escape messages from based on functions will be re-sent.

CHKMSGID Command parameters                           *CMD
---------------------------

   MSGID         The message ID to be checked.

   MSGF          The  message  file  containing the  message  ID.   The
                 library  qualifier defaults  to  *LIBL.    A  specific
                 library or  the special  value *CURLIB could  be used.


Restrictions
------------

None.

Prerequisites
-------------

The following TAA Tools must be on your system:

     CHKOBJ3         Check object 3
     RSNLSTMSG       Resend last message
     SNDESCINF       Send escape information
     SNDESCMSG       Send escape message

Implementation
--------------

None, the tool is ready to use.

Objects used by the tool
------------------------

   Object        Type    Attribute      Src member    Src file
   ------        ----    ---------      ----------    ----------

   CHKMSGID      *CMD                   TAAMSJV       QATTCMD
   TAAMSJVC      *PGM       CLP         TAAMSJVC      QATTCL