# Message Information Format

The following information is provided for each message, if applicable.

Message identifier
  An identifier in the form AAA I nnn S. See Message Identifiers.
Message text
  The words and inserts that make up the message as displayed by Substation ES.
Explanation
  The events leading to or following the production of the message.
User Response
  The action recommended for you (the console or system administrator or programmer). If not shown, it does not apply.
System Action
  The action that has been or will be taken by Substation ES. If not shown, it does not apply.
Destination
  The device to which the message is sent. The values are as follows:
  - Console, that is, the z/OS master terminal console.
  - Log, Trace, or Audit output files, or a combination of them, of Substation ES.
  - `SYSPRINT`, the destination defined by the system printer to the same DD Name

  If not shown, destination does not apply.

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