Valid values: Specify one of three SYMBOLS= values:
- JCLONLY
- Substitute JCL symbols that have been made available by the EXPORT statement and JES Symbols
dynamically created by the IAZSYMBL JES symbol service, which is described in z/OS JES Application Programming.
- EXECSYS
- Substitute symbols as described for JCLONLY. In addition, substitute
system symbols from the system where this job is executing.
- CNVTSYS
- Substitute symbols as described for JCLONLY. In addition, substitute
system symbols from the system where this job completed JCL conversion.
- logging-DDname
- Optional parameter that indicates a valid DD name for
the data set to use for logging results of the symbol substitution.
Rules for DD names are described in DDNAME parameter.
Logging is not performed in the following cases:
- if logging-DDname is specified on the DD statement
which describes an in-stream data set that is the target on the PARMDD
keyword. See PARMDD parameter.
- if logging-DDname is specified on the SYSTSIN
DD statement which describes input data for the TMP (Terminal Monitoring
Program).
- if in-stream data set is opened by one task and then read by a
different task.
- if data set specified by logging-DDname cannot
be successfully opened.
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