# JCL Sample (SXSCFEXS)

Execution is controlled by PARM values, JCL statements, and parameters in the `CONTROL` DD name. See the following JCL sample:

    //STEP0002  EXEC PGM=SXT3CSIE,REGION=0M,PARM='values'
    //STEPLIB   DD DISP=SHR,DSN=USERHLQ.LOAD
    //TIBLOG    DD SYSOUT=*
    //SYSPRINT  DD SYSOUT=*
    //SYSOUT    DD SYSOUT=*
    //CEEDUMP   DD SYSOUT=*
    //SYSUDUMP  DD SYSOUT=*
    //CONFIG    DD DISP=SHR,DSN=config.file
    //EXPORT    DD DISP=(,CATLG),DSN=export.file,
    // UNIT=SYSDA,SPACE=(TRK,(20,20)),
    // DCB=(BLKSIZE=14000.LRECL=350,RECFM=VB)
    //CONTROL DD *
    (export control parameters)
    //

The following table describes the DD names of the Selective Export Utility:

DDNAME | Description
--- | ---
CONFIG | Points to a current linear Transformer Configuration file.
EXPORT | Points to a new EXPORT file that is written during an export operation. This file can be a preallocated disk file.

For a summary of the usages of DD names, see Summary of Substation ES ESB Configuration File Utilities.

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